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SAFETY LIGHT CURTAIN

(Version 2)

Model

 

F3SJ-A

□□□□

P

□□

1. Application of a F3SJ sensor alone cannot receive type approval provided by 

Article 44-2 of the Labour Safety and Health Law of Japan. It is necessary to 
apply it in a system. Therefore, when using the F3SJ in Japan as a "safety 
system for pressing or shearing machines" prescribed in Article 42 of that 
law, the system must receive type approval.

2. The F3SJ is electro-sensitive protective equipment (ESPE) in accordance with 

European Union (EU) Machinery Directive Index Annex V, Item 2.

3.  EC Declaration of Conformity
     OMRON declares that F3SJ is in conformity with the requirements of the 

following EC Directives:

Machinery Directive 2006/42/EC
EMC Directive 2014/30/EU

4. F3SJ is in conformity with the following standards:

(1) European standards

EN61496-1 (Type 4 ESPE), EN 61496-2 (Type 4 AOPD), EN61508-1 
through -3 (SIL3), EN ISO 13849-1:2015 (Category 4, PL e)

(2) International standards

IEC61496-1 (Type 4 ESPE), IEC61496-2 (Type 4 AOPD), IEC61508-1 
through -3 (SIL3), ISO 13849-1:2015 (Category 4, PL e)

(3) JIS standards

JIS B 9704-1 (Type 4 ESPE), JIS B 9704-2 (Type 4 AOPD)

(4) North American Standards:

UL61496-1(Type 4ESPE), UL61496-2(Type 4AOPD), UL508, UL1998, 
CAN/CSA C22.2 No.14, CAN/CSA C22.2 No.0.8

5. The F3SJ received the following approvals from the EU accredited body, 

TÜV SÜD Product Service GmbH:

EC Type-Examination in accordance with the EU Machinery Directive, 

Type 4 ESPE (EN61496-1), Type 4 AOPD (EN 61496-2)

TÜV SÜD Product Service Type Approval, Type 4 ESPE (EN61496-1), 

Type 4 AOPD (EN 61496-2), SIL1, 2, 3 (EN61508-1 through -3), EN ISO 
13849-1:2015 (Category 4, PL e)

6. The F3SJ received the certificates of UL listing for US and Canadian safety 

standards from the Third Party Assessment Body UL.

Both are: Type 4 ESPE (UL61496-1), Type 4 AOPD (UL61496-2)

7. The F3SJ is designed according to the standards listed below. To make sure that 

the final system complies with the following standards and regulations, you are 
asked to design and use it in accordance with all other related standards, laws, 
and regulations. If you have any questions, consult with specialized 
organizations such as the body responsible for prescribing and/or enforcing 
machinery safety regulations in the location where the equipment is to be used.

European Standards: EN415-4, EN692, EN693
U.S. Occupational Safety and Health Standards: OSHA 29 CFR 1910.212
U.S. Occupational Safety and Health Standards: OSHA 29 CFR 1910.217
American National Standards: ANSI B11.1 to B11.19
American National Standards: ANSI/RIA 15.06
Canadian Standards Association CSA Z142, Z432, Z434
SEMI Standards SEMI S2
Ministry of Health, Labour and Welfare "Guidelines for Comprehensive 

Safety Standards of Machinery", Standard Bureau's Notification No. 501 
dated June 1, 2001.

8.We have obtained S-Mark Certification from Legislation and Standards Korea 

Occupational Safety & Health Agency (KOSHA).
(F3SJ-A****P**-S series only)

© OMRON Corporation  

2005-2020

  All Rights Reserved.

LEGISLATION AND STANDARDS

Omron Companies shall not be responsible for conformity with any standards, 
codes or regulationswhich apply to the combination of the Product in the BuyerÊ 
s application or use of the Product. At BuyerÊ s request, Omron will provide 
applicable third party certification documents identifying ratings and limitations 
of use which apply to the Product. This information by itself is not sufficient for 
a complete determination of the suitability of the Product in combination with 
the end product, machine, system, or other application or use. Buyer shall be 
solely responsible for determining appropriateness of the particular Product with 
respect to BuyerÊ s application, product or system. Buyer shall take application 
responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING 
SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES 
WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN 
DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON 
PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE 
INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.

Suitability for Use

Alert Statements in this Manual

INSTRUCTION SHEET

Please read and understand this instruction sheet before 
storing, installing, programming, operating, maintaining, or 
disposing of the products. Please consult your OMRON 
representative if you have any questions or comments.

Please refer to the User's Manual and the Quick Installation 
Manual for detailed instructions on usage.

When changes are made to each function using the setting tool (F39-GWUM 
or F39-MC21), the administrator must manage the details of the changes and 
perform the changes. Accidental functional setting change may cause 
failure of human body detection, resulting in a serious injury.

The F3SJ must be installed, configured, and incorporated into a machine 
control system by a sufficiently trained and qualified person. An unqualified 
person may not be able to perform these operations properly, which 
may cause a person to go undetected, resulting in serious injury.

Do not use this sensor for machines that cannot be stopped by electrical 
control. For example, do not use it for a pressing machine that uses 
full-rotation clutch. Otherwise, the machine may not stop before a 
person reaches the hazardous part, resulting in serious injury.

Make sure to test the operation of the F3SJ after installation to verify that 
the F3SJ operates as intended. Make sure to stop the machine until the test 
is complete. Unintended function settings may cause a person to 
go undetected, resulting in serious injury.

Install a protective structure so that the hazardous part of a machine can only 
be reached by passing through the sensor's detection zone. Install the sensors 
so that part of the person is always present in the detection zone when 
working in a machine's hazardous areas. If a person is able step into the 
hazardous area of a machine and remain behind the F3SJ's detection zone, 
configure the system with an interlock function that prevents the machine 
from being restarted. Failure to do so may result in serious injury.

Do not use the auxiliary output or external indicator output for safety applications. 
Human body may not be detected when F3SJ fails, resulting in serious injury.

Make sure to install the F3SJ at the safe distance from the hazardous part of 
the equipment. Otherwise, the machine may not stop before a 
person reaches the hazardous part, resulting in serious injury.

Install the interlock reset switch in a location that provides a clear view of the entire 
hazardous area and where it cannot be activated from within the hazardous area.
The F3SJ cannot protect a person from an object flying from a 
hazardous area. Install protective cover(s) or fence(s).

To prevent personnel approach to dangerous part of the machine through an 
area disabled by the fixed blanking function, you must install a protective 
structure to cover the whole disabled area. Failure to do so may cause 
failure of human body detection, resulting in a serious injury.

You must ensure that a test rod is detected for all detection areas except 
where fixed blanking function is used. Failure to do so may cause failure 
of human body detection, resulting in a serious injury.

Detection capability gets larger when fixed/floating blanking function is 
used. You must use the detection capability for fixed and floating blanking 
functions. Failure to do so may cause failure of machine stop before 
reaching the machine's dangerous part, resulting in a serious injury.

The muting and override functions disable the safety functions of the device. 
You must ensure safety using other method when these functions are operating.

Install muting sensors so that they can distinguish between the object that is being 
allowed to pass through the detection zone and a person. If the muting function is 
activated by the detection of a person, it may result in serious injury.
Muting lamps (external indicators) that indicate the state of the muting and 
override functions must be installed where they are clearly visible to 
workers from all the operating positions.

Use independent 2 input devices for muting inputs.

Muting related time must be properly configured for its application by a 
sufficiently trained and qualified person, and the person must have responsibility 
for settings, especially when setting the muting time limit to infinite.

You must install F3SJ, muting sensor, and physical barrier, and configure
time settings for muting so that an operator should not enter hazardous zone.

Install the sensor system so that it is not affected by the reflective surface of the F3SJ.

Make sure that the F3SJ is securely mounted and its cables and 
connectors are properly connected.

Make sure that foreign material such as water, oil, or dust does not enter 
the F3SJ or the connector while the cap is removed.

When using more than 1 set of F3SJ, install them so that mutual 
interference does not occur, such as by configuring series connections or 
using physical barriers between adjacent sets.

Do not use the sensor system with mirrors in a retro-reflective 
configuration. Doing so may hinder detection. It is possible to use mirrors 
to "bend" the detection zone to a 90-degree angle.
Perform an inspection for all F3SJ as described in "Chapter 6 Checklists" of 
UserÊs manual. When using series connections,perform inspections 
for every connected F3SJ.

Connect the load between the output and 0V line (PNP output). Connecting 
the load between the output and +24V line will result in a dangerous 
condition because operation is reversed to ON when blocked.
Do not short-circuit the output line to the +24V line. Otherwise, the output 
is always ON. Also, the 0V of the power supply must be grounded so 
that output does not turn ON due to grounding of the output line.
Configure the system by using the optimal number of safety outputs 
that satisfy the requirements of the necessary safety category.

Do not connect each line of F3SJ to a DC power supply of more than 
24VDC+20%. Also, do not connect to an AC power supply. Failure to do 
so may result in electric shock.

Double or reinforced insulation from hazardous voltage must be applied to 
all input and output lines. Failure to do so may result in electric shock.

Do not try to disassemble, repair, or modify this product. Doing so 
may cause the safety functions to stop working properly.
Do not use the F3SJ in environments where flammable or explosive 
gases are present. Doing so may result in explosion.
Perform daily and 6-month inspections for the F3SJ. Otherwise, the 
system may fail to work properly, resulting in serious injury.

Extension of the cable must be within a specified length. If it isn't, 
safety function may not work properly, resulting in danger.

To use the F3SJ in PSDI mode (Reinitiation of cyclic operation by the 
protective equipment), you must configure an appropriate circuit between 
the F3SJ and the machine. For details about PSDI, refer to OSHA1910.217, 
IEC61496-1, and other relevant standards and regulations.

For the F3SJ to comply with IEC 61496-1 and UL 508, the DC power supply unit 
must satisfy all of the following conditions:

 Must be within the rated power voltage (24V DC 

μ

 20%)

 Must have tolerance against the total rated current of devices if it is connected to 

multiple devices

 Must comply with EMC directives (industrial environment)
 Double or reinforced insulation must be applied between the primary and 

secondary circuits

 Automatic recovery of overcurrent protection characteristics (reversed L sagging)
 Output holding time must be 20ms or longer
 Must satisfy output characteristic requirements for class 2 circuit or limited 

voltage current circuit defined by UL508

 Must comply with laws and regulations, regarding EMC and electrical equipment 

safety, of the country or region where the F3SJ is used (Ex: In EU, the power 
supply must comply with the EMC Directive and the Low Voltage Directive.)

A switch to activate the override function must be a hold-to-run device such 
as a spring return key switch and must be installed in a location that 
provides a clear view of the entire hazardous zone and where it cannot be 
activated from within the hazardous zone.Make sure that nobody is in the 
hazardous area before activating the override function.

Regarding the alert symbols and meanings used for the safe uses

In order for our customers to use the F3SJ in safety, precautions are indicated in 
this manual with the alert symbols and statements such as the followings. Those 
safety precautions relate to the important descriptions that must be obeyed for 
the safe uses and operations. Be sure to obey the precautions. The following 
indictions and symbols are used for the descriptions.

PRECAUTIONS ON SAFETY

Make sure to observe the following precautions that are necessary for 
ensuring safe use of the product.

 Thoroughly read this manual and understand the installation procedures, 

operation check procedures, and maintenance procedures before using the 
product.

 Loads must satisfy both of the following conditions:

-Not short-circuited
-Not used with a current that is higher than the rating

 Do not drop the product.
 Dispose of the product in accordance with the relevant rules and regulations 

of the country or area where the product is used.

PRECAUTIONS FOR SAFE USE

Observe the precautions described below to prevent operation failure, malfunctions, or 
undesirable effects on product performance.

Installation environment

Do not install the F3SJ in the following types of environments:

Areas exposed to intense interference light, such as direct sunlight
Areas with high humidity where condensation is likely to occur
Areas where corrosive gases are present
Areas exposed to vibration or shock levels higher than in the specification provisions
Areas where the product may come into contact with water
Areas where the product may get wet with oil that can solve adhesive

Do not use radio equipment such as cellular phones, walkie-talkies, or transceivers near 
the F3SJ.
This is a class A product. In residential areas it may cause radio interference. in which 
case the Responsible Person may be required to take adequate measures to reduce 
interference.

Wiring and installation

Make sure to perform wiring while the power supply is OFF. Otherwise, the F3SJ may 

fail to operate due to the diagnosis function.

Do not short-circuit output lines to +24V line. Otherwise a fault of F3SJ may occur.

When extending the communication line with a cable  (twisted-pair wire) other than the 

dedicated cable (F39-JD**), use a cable with the same or superior specification. Connect 
the shield to the 0V line.

When replacing the cable connectors with other types of connectors, use connectors 

that provide a protection grade of IP54 or higher.

Properly perform the wiring after confirming the signal names of all the terminals.
Do not operate the control system until 2 seconds or more (2.2 seconds or more in case 

of series connection)  after turning ON the power of the F3SJ.

Be sure to route the F3SJ cable separate from high-potential power lines or through an 

exclusive conduit.

When using a commercially available switching regulator power supply, make sure to 

ground the FG terminal (frame ground terminal).

Install the emitter and receiver so that their vertical direction should match.
If the protective height is 600 mm or more, use intermediate mounting brackets of 

specified quantities and locations according to the dimensions.
If the brackets described above are not used, ratings and performance cannot be not met.

Sharing the power supply with other devices may cause the F3SJ to be affected by noise 

or voltage drop. It is recommended that the F3SJ use a dedicated power supply but do 
not share with other devices.

Cleaning

Do not use thinner, benzene, or acetone for cleaning, because they affect the product's 
resin parts and paint on the case.

Object detection

The F3SJ cannot detect transparent and/or translucent objects.

PRECAUTIONS FOR CORRECT USE

RATINGS

Indicates a potentially hazardous situation 
which, if not avoided, will result in minor or 
moderate injury, or may result in serious 
injury or death. Additionally there may be 
significant property damage.

WARNING

WARNING

WARNING

WARNING

WARNING

WARNING

For Users

Ratings/Specifications

In the type names in this table, the **** contain the 4 digits indicating the protective height (mm).

For Machines

For Installation

For Wiring

Other

Detection capability

Opaque objects

F3SJ-A****P14

Opaque objects

F3SJ-A****P20

Opaque objects

F3SJ-A****P55

Diameter 14mm

Diameter 20mm

Diameter 55mm

Beam gap

9mm

15mm

50mm
6 to 50

Number of beams

26 to 234

16 to 166

Protective height

245 to 2,117mm

245 to 2,495mm

270 to 2,470mm

Lens diameter

Diameter 5mm

Operating range

0.2 to 9m (for protective height up to 1649 mm)
0.2 to 7m (for protective height 1655 mm or greater)
(Operating range can be reduced to 0.5m through the setting tool)

Response time

ON to OFF: 10ms to 27.5ms max., OFF to ON: 40ms to 110ms max. (when incidence is stable).
Refer to the reverse side for details.

Startup waiting time

2s max. (2.2s max in case of series connection)
24VDC 

μ

 20% (ripple p-p10% max.)

Power supply  voltage(Vs)
Current 
consumption
(no load)

Emitter

Up to 50 beams: 76 mA max., 51 to 100 beams: 106 mA max., 101 to 150 beams: 130 mA max., 151 to 200 
beams: 153 mA max., 201 to 234 beams: 165 mA max.

Receiver

Up to 50 beams: 68 mA max., 51 to 100 beams: 90 mA max., 101 to 150 beams: 111 mA max.,151 to 200 

Light source

Infrared LED (870nm wavelength)
Within 

μ

2.5   for the emitter and receiver at a detection distance of at least 3 m according to IEC61496-2

beams: 128 mA max., 201 to 234 beams: 142 mA max.

Effective aperture angle (EAA)
Safety outputs(OSSD)

PNP transistor outputs x 2, Load current 300mA max, Residual voltage 2V max. (except for voltage drop due 
to cable extension)(including inductance load), Maximum capacity load 2.2 

μ

F, Leakage current 1mA max.

 (This may be different from previously used logic (ON/OFF) because safety circuit is used.)

output)

Auxiliary output 1 (Non-safety 

Auxiliary output 2 (non-safety 
output, a function for a basic 

PNP transistor output x 1, Load current 300mA max., Residual voltage 2V max. (except for voltage drop due 

system)

PNP transistor output x 1, Load current 50mA or less, Residual voltage 2V or less (excluding influence by 
cable extension), Leakage current 1mA or less

to cable extension), Leakage current 1mA max.

External indicator output 
(Non-safety output)

Connectable external indicator
- Incandescent lamp : 24VDC, 3 to 7W
- LED lamp : Load current 10 to 300mA max.

external indicator.)

Leakage current 1mA max.(An indicator cable F39-JJ3N or F39-A01P*PAC is required when using an 

Output operation mode

Safety outputs : ON when receiving light
Auxiliary output 1 : Reverse output of safety output (operation mode can be changed by the setting tool)
Auxiliary output 2: Turns ON when 30,000 hours of power-on time passes (operation mode can be changed 

muting system)

by the setting tool)
External indicator output 1: Reverse output of safety output (for basic system), ON during muting/override (for 

(Operation mode can be changed by the setting tool)
External indicator output 2: ON in lockout (for basic system), ON during muting/override (for muting system) 
(operation mode can be changed by the setting tool)

Input voltage

Indicators

Test input, Interlock select input, Reset input, Muting input:
ON voltage: 9V to Vs* (short-circuit current: approx. 2.0mA)
OFF voltage: 0 to 1.5V, or open
External device monitoring input is:
ON voltage: 9V to Vs* (short-circuit current: approx. 3.5mA)
OFF voltage: open
*The Vs indicates a voltage value in your environment.

Emitter

Error mode indicators (red LED x 3): Blink to indicate error details

Incident light level indicators (green LED x 2, orange LED x 3): ON based on the amount of incident light

Power indicator (green LED x 1): ON while power is ON
Interlock indicator (yellow LED x 1): ON when in interlock/Blinks when in lockout
External device monitoring indicator [muting input 1 indicator], Blanking/ Test indicator [muting input 2 
indicator] (green LED x2): ON/Blink according to function

Receiver

Error mode indicators (red LED x 3): Blink to indicate error details

Incident light level indicators (green LED x 2, orange LED x 3): ON based on the amount of incident light

OFF-state indicator (red LED x 1): ON when safety outputs are OFF/ Blinks when in lockout

Muting error indicator, Blanking/Test indicator (green LED x 2): ON/Blink according to function

ON-state indicator (green LED x 1): ON when safety outputs are ON

Mutual interference prevention
function
Series connection

Time division emission by series connection
- Number of connections: Up to 4 sets
- Total number of beams: Up to 400
- Cable length between sensors: 15 m max. (not including series connection cable (F39-JJR*L or F39-JJR3W) and power cable)
- Self-test (After power ON, and during operation)
- External test (light emission stop function by test input)

- External device monitoring

- Floating blanking (configuration by the setting tool is required)

- Fixed blanking (configuration by the setting tool is required)

- Muting (Includes lamp breakage detection and override functions. F39-CN6 key cap for muting is required)

- Start interlock, restart interlock (The setting tool is required when muting function is used)

Interference light avoidance algorithm, Operating range change function

Test function

Safety-related functions

Connection method
Protection circuit

Connector method (M12, 8-pin)

During operation: 35 to 85%RH (no condensation), During storage: 35 to 95%RH

During operation: -10 to 55 C (without freezing), During storage: -30 to 70 C

Ambient temperature

Output short-circuit protection, and power supply reverse polarity protection

Ambient humidity
Ambient light intensity

of 10,000 Ix max.

Incandescent lamp: receiving-surface light intensity of 3,000 Ix max., Sunlight: receiving-surface light intensity 

Insulation resistance

20M

 or higher (500VDC)

Dielectric strength voltage

1, 000VAC, 50/60Hz, 1min

Degree of protection

IP65 (IEC60529)

Dia. 6 mm, 8-wire (0.15mm2 x 8) with braided shield, Allowable bending radius R5mm

Malfunction: 100m/s2, 1,000 times each in X, Y, and Z directions

Vibration resistance

Malfunction: 10 to 55Hz, Multiple amplitude of 0.7mm, 20 sweeps each in X, Y, and Z directions

Shock resistance
Connection cable, Series 
connection cable (F39-JJR*L, 
JJR3W)

Extension cable 
(F39-JD*A, JD*B,JC*C)

bending radius of R36mm.
(To extend a cable, use an equivalent or higher-performance cable (twisted-pair wire) , and do not use the 

Dia. 6.6 mm, 8-wire (0.3mm2 x 4P, conductor resistance 0.058 ohm/m), with braided shield,Allowable 

cable in the same duct as that for high-voltage cables or power cables)
For details about extension lengths ( Power Cable Length), refer to next page

Material

Cap: ABS resin

Cable: Oil resistant PVC

- F3SJ-A****P14

- F3SJ-A****P20/F3SJ-A****P25/F3SJ-A****P30

Weight (g)=(protective height) x 1.7+ 

α

Weight (g)=(protective height) x 1.5+ 

α

Casing (including metal parts on both ends): Aluminum, zinc die-cast

Optical cover: PMMA resin (acrylic)

Weight (packaged)

The values for 

α

 are as follows:

When protective heightis between 245 and 596mm, 

α

=1100

When protective heightis between 600 and 1130mm, 

α

=1500

When protective heightis between 1136 and 1658mm, 

α

=2000

When protective heightis between 1660 and 2180mm, 

α

=2400

When protective heightis between 2195 and 2500mm, 

α

=2600

Accessories

instruction sheet, top and bottom mounting brackets, intermediate mounting brackets *  , error 

*1 The number of intermediate mounting brackets depends on the total length of the F3SJ.

- F3SJ total length is from 600 to 1,130mm: 1 set for each the emitter and receiver is included
- F3SJ total length is from 1136 to 1,658mm: 2 sets for each the emitter and receiver are included
- F3SJ total length is from 1660 to 2,180mm: 3 sets for each the emitter and receiver are included
- F3SJ total length is from 2195 to 2500mm: 4 sets for each the emitter and receiver are included

mode label, Quick Installation Manual(QIM)

Applicable standards

IEC61496-1, EN61496-1, UL61496-1 Type 4ESPE (Electro-Sensitive Protective Equipment)
IEC61496-2, EN 61496-2, UL61496-2 Type 4AOPD (Active Opto-electronic Protective Devices) IEC61508, 
EN61508 SIL3, EN ISO 13849-1:2015 (Category 4, PL e), ISO 13849-1:2015 (Category 4, PL e)

Opaque objects

F3SJ-A****P30

Diameter 30mm
25mm
10 to 100
245 to 2,495mm

- F3SJ-A****P55
Weight (g)=(protective height) x 1.4+ 

α

1

Opaque objects

F3SJ-A****P25

Diameter 25mm
20mm
13 to 125
260 to 2,500mm

Original instructions

Indicates prohibited actions.

Indicates mandatory actions.

Indicates the risk of electric shock.

You must ensure that the system works as you intended after configuring 
floating blanking.Failure to do so may result in serious injury.

Warning zone output is non-safety output. You must not include it to 
calculation of safety distance. Otherwise safety distance may be reduced, 
resulting in serious injury.

A warning zone CANNOT be used for safety applications. Always install 
your system so that a detection zone should be passed before reaching a 
source of danger.

OMRON Corporation  (Manufacturer)

 Contact:  www.ia.omron.com

Regional Headquarters

Shiokoji Horikawa, Shimogyo-ku, Kyoto, 600-8530 JAPAN

OMRON EUROPE B.V. (Importer in EU)
Wegalaan 67-69, 2132 JD Hoofddorp
The Netherlands
Tel: (31)2356-81-300/Fax: (31)2356-81-388

OMRON ELECTRONICS LLC
2895 Greenspoint Parkway, Suite 200 
Hoffman Estates, IL 60169 U.S.A.
Tel: (1) 847-843-7900/Fax: (1) 847-843-7787

OMRON ASIA PACIFIC PTE. LTD.
No. 438A Alexandra Road # 05-05/08 (Lobby 2), 
Alexandra Technopark, 
Singapore 119967
Tel: (65) 6835-3011/Fax: (65) 6835-2711

OMRON (CHINA) CO., LTD.
Room 2211, Bank of China Tower, 
200 Yin Cheng Zhong Road, 
PuDong New Area, Shanghai, 200120, China
Tel: (86) 21-5037-2222/Fax: (86) 21-5037-2200

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