WITTUR WSG-SF Series Operating Instructions Manual Download Page 31

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Subject to changes without notice !

Änderungen vorbehalten !

Gearless Lift Machine

WSG-SF

Operating Instructions

Code: GM.8.004284.EN

Date:

28. Jan 2020

Version: 0.16

Page: 31

11. Accessories

11.1. Connecting cable for measuring systems for ECN 1313/ERN 1387

Inverter type

Recommended

encoder system

Recommended

measurement system cable

F-Pack
WLD 302

ECN 1313 - EnDat

514 273 022-xx

E-Pack
Arkel ARCODE

ECN 1313 - (EnDat/SSI) 503 325 021-xx

D-Pack
Arkel ADrive
CT unidrive SP

ECN 1313 - (EnDat/SSI) 502 452 021-xx

Fuji Frenic

ECN 1313 - (EnDat/SSI) 502 679 022-xx

RST Elektronik FRC

ECN 1313 - EnDat

508 752 022-xx

GEFRAN (SIEI)
AVY-L-M

ERN 1387

502 599 022-xx

Vacon NXP

ECN 1313 - EnDat

503 289 021-xx

Yaskawa/Omron L7
Telemecanique/Schneider

Altivar 71

ECN 1313 - EnDat

503 715 022-xx

KW Goliath
Ziehl-Abegg 3C

ECN 1313 - EnDat

508 749 022-xx

Ziehl-Abegg 4C

ECN 1313 - (EnDat/SSI) 504 503 022-xx

xx .. cable length [m]

Summary of Contents for WSG-SF Series

Page 1: ...ruck bersetzung und Vervielf ltigung in jeglicher Form auch auszugsweise bed rfen der schriftlichen Genehmigung von WITTUR nderungen vorbehalten info wed wittur com www wittur com Copyright WITTUR 202...

Page 2: ...ITTUR Electric Drives GmbH reserves the right to correct or change the contents of this manual and these product details without prior notice We expressly reserve the right to make technical changes w...

Page 3: ...ons 19 6 3 Overview 19 7 Commissioning and operating 20 7 1 Important notes 20 7 2 Emergency evacuation 21 7 3 Testing the brake system to EN 81 22 7 4 Trouble shooting 23 8 Maintenance 24 8 1 General...

Page 4: ...due regard to their performance limits WSG SF lift machines are not ready to use products they may only be operated after they have been installed in lift systems and their safe operation has been en...

Page 5: ...Check the proper functioning of the motor and the brake after installing the machine Repairs may only be carried out by the manufacturer or an authorised repair agency Unauthorised opening and tamperi...

Page 6: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 6 3 EU Declaration of Conformity...

Page 7: ...he specified machine weight i e additional loads must not be applied Danger of breakage 4 2 Storage Climate class 2K3 nach EN 60721 Storage tempera ture 20 C to 60 C max 20 K hour fluctuated Storage a...

Page 8: ...less WSG SF synchronous lift machines are designed for traction sheave lifts They are distinguished by their high efficiency extremely low noise and excellent operating characteristics The machines ca...

Page 9: ...diagrams must be used 30 40 50 60 0 6 0 7 0 8 0 9 1 0 tA C k 0 1000 2000 3000 4000 0 6 0 7 0 8 0 9 1 0 h m k a Mpermiss MdN k ka bzw Ppermiss PdN k ka 5 3 Motor design 5 3 1 Insulation system All insu...

Page 10: ...assigned B temperature sensor C Pin contacts of flanged con nector socket exterior temperature sensor D The electrical connection of the motor and the winding temperature sensors is made by a rotatabl...

Page 11: ...WSG lift machines with a synchronous motor WSG is matched to the associated inverter Do not change the adjustment as this may make it impossible to use the motor On the measuring system housing there...

Page 12: ...ation f AC side switching is recommended for normal operation since the lift machine is then decelerated in a controlled manner to zero speed and the switching noise of the brake is negligible f When...

Page 13: ...ke A type 231 104 037 000 connector from WAGO can be used as the female plug Included in the scope of delivery C NC NO Br C NC NO Br 45 78 332 2998 1 2 3 4 5 6 7 8 1st partial brake 2nd partial brake...

Page 14: ...561 S10 K275 S10 K275 1 2 3 4 1 2 3 4 DC side switching and separate control of the partial brakes K1 and K2 must switch simultaneously to the 2 nd partial brake to the 2 nd partial brake release to c...

Page 15: ...achine is fitted with a rope guard on the left and right 1 2 A third rope guard 3 is available on request A list of the rope guard design depending on the traction sheave diameter standard option can...

Page 16: ...less Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 16 Fastening rope guards Rope guard Information Rigid rope guard 1 f Fastening the rope guard...

Page 17: ...tage E UN 400 V UZK 500 620 V DC X3 Rated speed nN z B 100 100 rpm with DT 240 mm v 0 63 m s suspension 2 1 159 159 rpm with DT 240 mm v 1 0 m s suspension 2 1 255 255 rpm with DT 240 mm v 1 6 m s sus...

Page 18: ...oves on the traction sheave than the number of ropes used position the ropes either in the centre of the traction sheave or towards the motor end ok ok ok ok ok ok The measuring system is only accessi...

Page 19: ...The following notes should help you to carry out the assembly and wiring in an appropriate sequence without overlooking anything Site Please note the intended use and the permissible ambient conditio...

Page 20: ...fastening bolts have all the bolts been tightened to the specified torque and secured Has the motor been properly connected including the motor protection Has the PE terminal been properly connected...

Page 21: ...e Is the brake opened manually the cabin moves in the direction of the higher weight The motor winding has to be short circuited via the motor contactors With the short circuit the motor cre ates a br...

Page 22: ...a brake If one brake fails the brake system must still be capable of decelerating the car sufficiently during its down ward travel at rated load and rated speed When simulating the failure of one brak...

Page 23: ...g system does not release Braking system is not supplied with voltage Check electrical connection Brake mechanically blocked Remove mechanical blocking Brake control unit defective Replace brake contr...

Page 24: ...to be carried out by the lift fitter maintenance technician for liability reasons Bolt screw tightening torques When performing any work on the machine or replacing parts make sure that the specified...

Page 25: ...m and inform customer service f Unit power off Lock out and tag out Motor and brake have to be de energised Necessary tools Feeler gauge 0 05 1 0mm Observe the brake operating manual from page 62 Remo...

Page 26: ...M 8 bolts 1 at the pressure disc and the pressure disc 3 itself 1 2 4 3 5 3 6 1 Insert two fastening bolts 2 into the outer hole circle of the pressure disc 3 and into the traction sheave Insert a 4...

Page 27: ...N 1313 and ERN 1387 Heidenhain f The measuring system is only accessible from the rear side of the motor f See the mounting instructions for the Heidenhain encoder f Disassemble the measuring system o...

Page 28: ...40 C Max rel humidity 85 at 20 C no moisture condensation Dual circuit fail safe brake Motor WSG SF 1 WSG SF 2 WSG SF 3 WSG SF 4 S Brake BFK 464 17R BFK 464 18R BFK 464 18R BFK 464 20R Max braking to...

Page 29: ...rents applicable to 500 620Vd c link voltage v nN PN IN nN PN IN nN PN IN nN PN IN nN PN IN nN PN IN nN PN IN nN PN IN ms rpm kW A rpm kW A rpm kW A rpm kW A rpm kW A rpm kW A rpm kW A rpm kW A 0 5 11...

Page 30: ...130 120 92 105 C 133 5 117 103 133 5 117 103 133 5 117 103 109 5 103 109 5 133 5 117 103 109 5 L 532 520 501 532 520 501 660 636 617 617 617 617 660 636 617 617 B 190 190 270 270 270 JG kgm2 0 13 0 1...

Page 31: ...02 ECN 1313 EnDat 514 273 022 xx E Pack Arkel ARCODE ECN 1313 EnDat SSI 503 325 021 xx D Pack Arkel ADrive CT unidrive SP ECN 1313 EnDat SSI 502 452 021 xx Fuji Frenic ECN 1313 EnDat SSI 502 679 022 x...

Page 32: ...ake cable halogen free 508 828 222 xx halogen free 510 676 011 xx Pin Wire 1 U1 No 1 U1 4 V1 No 2 V1 3 W1 No 3 W1 PE green yellow C T1 No 5 BR1 D T2 No 6 BR2 Wire 1 brake 2 brake 3 switch 4 switch 1 b...

Page 33: ...ds 2 Brake manual release remotely controlled 11 3 1 Manual lifting rods Hand release rods can be attached to the levers for easy opening of the brake Due to the machine accessibility this variant can...

Page 34: ...t the ropes in place f Install the manual releasing device while the brake is disconnected from the power supply 1 Install the lever block 1 with two M 12 bolts in a suitable location in the vicinity...

Page 35: ...Item Part Description Motor 01 traction sheave acc machine nameplate type code X4 02 Measuring system depending on spec Sendix 8 5873 BISS C 2048 incr clamping ring ECN 1313 SSI 2048 incr clamping rin...

Page 36: ...anges without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 36 13 Annex Calculation of the traction sheave...

Page 37: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 37...

Page 38: ...fo wed wittur com Phone 49 0 351 40 44 0 M S 21 08 2017 01189 Dresden www wittur com Fax 49 0 351 40 44 111 Germany Technical information 21 08 2017 Re WSG SF Traction sheave shaft Annex calculation o...

Page 39: ...anges without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 39 Calculation of the traction sheave shaft WSG...

Page 40: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 40...

Page 41: ...51 40 44 0 M S 08 05 2018 01189 Dresden www wittur com Fax 49 0 351 40 44 111 Germany Technical information 08 05 2018 Re WSG SF traction sheave 160mm Traction sheave shaft Annex calculation of the sh...

Page 42: ...changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 42 EU type examination certificate EU BD 105...

Page 43: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 43...

Page 44: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 44...

Page 45: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 45...

Page 46: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 46...

Page 47: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 47...

Page 48: ...changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 48 EU type examination certificate EU BD 1056...

Page 49: ...king into account traction sheave diameter and car suspension v DTS x x n 60 x i v Tripping rated speed m s DTS Diameter of the traction sheave from rope s center to rope s center m 3 14 n Rotary spee...

Page 50: ...g of the brake torque has to be secured against unauthorized adjustment e g sealing lacquer 2 5 The identification drawing no 5023876 or 5021979 including stamp dated 2017 09 11 shall be in cluded to...

Page 51: ...ate No EU BD 1056 of 2017 09 11 Based on Application form from Co INTORQ GmbH Co KG of 2017 07 27 Page 1 of 1 Authorised Manufacturer of Serial Production Production Sites valid from 2017 07 27 Compan...

Page 52: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 52...

Page 53: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 53...

Page 54: ...changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 54 EU type examination certificate EU BD 1034...

Page 55: ...king into account traction sheave diameter and car suspension v DTS x x n 60 x i v Tripping rated speed m s DTS Diameter of the traction sheave from rope s center to rope s center m 3 14 n Rotary spee...

Page 56: ...g of the brake torque has to be secured against unauthorized adjustment e g sealing lacquer 2 5 The identification drawing no 5021915 or 5023866 including stamp dated 2017 08 25 shall be in cluded to...

Page 57: ...ate No EU BD 1034 of 2017 09 11 Based on Application form from Co INTORQ GmbH Co KG of 2017 07 27 Page 1 of 1 Authorised Manufacturer of Serial Production Production Sites valid from 2017 07 27 Compan...

Page 58: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 58...

Page 59: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 59...

Page 60: ...ct to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 60 EU Declaration of Conformity brake W...

Page 61: ...Subject to changes without notice nderungen vorbehalten Gearless Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 61...

Page 62: ...ess Lift Machine WSG SF Operating Instructions EN Code GM 8 004284 EN Date 28 Jan 2020 Version 0 16 Page 62 Brake operating instructions WSG SF www intorq com setting the standard www intorq com INTOR...

Page 63: ...Q BA 14 0214 09 2017 2 This documentation applies to the Product key Not coded Connection voltage hub bore hole options BFK464 17R BFK464 18R BFK464 19R BFK464 20R BFK464 22R BFK464 25R BFK464 28R INT...

Page 64: ...product key Bar code Designation Qty per box Rated holding voltage Rated torque Rated holding power Packaging date Addition CE mark Name plate Example Manufacturer CE mark Type see product key EC type...

Page 65: ...Application as directed 12 3 Technical specifications 13 3 1 Product description 13 3 1 1 General information 13 3 1 2 Brakes 14 3 1 3 Brake release 14 3 1 4 Release monitoring 14 3 1 5 Hand release o...

Page 66: ...ons 36 5 3 3 Permissible current load at ambient temperature 37 5 4 Electrical connection 37 6 Commissioning and operation 38 6 1 Important notes 38 6 2 Function checks before commissioning 38 6 2 1 F...

Page 67: ...the information and notes relevant for them The Operating Instructions must always be in a complete and perfectly readable condition 1 2 Terminology used 1 3 Conventions in use This document uses the...

Page 68: ...Coil power during release before voltage change over and 20 C PN W Rated coil power at rated voltage and 20 C Q J Quantity of heat energy QE J Max permissible friction energy for one time switching th...

Page 69: ...tandstill t11 ms Delay during engagement time from switching off the supply voltage to the beginning of the torque rise t12 ms Rise time of the braking torque time from the start of torque rise until...

Page 70: ...ible transport damage immediately to the shipping agent Visible deficiencies incompleteness immediately to the manufacturer as stated on the name plate 1 7 Disposal The spring applied brake consists o...

Page 71: ...y to a complete stator The labelling is not included when components are delivered individually 1 9 Legal regulations Liability The information data and notes in these Operating Instructions are up to...

Page 72: ...lowed to maintain safe trouble free operations and to achieve the specified product characteristics Only qualified skilled personnel are permitted to work on and with INTORQ components According to IE...

Page 73: ...conditions prescribed in these Operating Instructions must not be operated beyond their corresponding power limits Any other use or excessive usage shall be deemed improper Possible applications of th...

Page 74: ...rotation The wear increases as the switching energy increases operating speeds 18 The BFK464 spring applied brake is a single disc brake with two friction surfaces The braking torque is ap plied thro...

Page 75: ...e pressure springs use the armature plate to press the rotor which can be shifted axially on the hub or on the toothed shaft against the friction surface The asbestos free friction lin ings ensure hig...

Page 76: ...cified rated torques are reached safely after a short run in process However as the organic friction linings used do not all have identical properties and because environ mental conditions can vary de...

Page 77: ...ecifications INTORQ BA 14 0214 09 2017 16 3 2 Rated data 3 2 1 Dimensions 1 1 Stator complete 2 Armature plate 6 Flange Type Air gap Perm wear Rotor thickness Mass of stator complete sLN 0 06 0 08 mm...

Page 78: ...24 6 24 6 BFK464 18R 212 6 x M8x95 6 x M8x1051 36 1 BFK464 19R 220 M10 6 x M10x100 6 x M10x110 16 0 15 0 48 0 48 0 BFK464 20R 233 6 x M10x110 6 x M10x1201 21 0 20 0 71 0 BFK464 22R 252 BFK464 25R 282...

Page 79: ...icate for higher speeds consultation with the manu facturer is required Disengagement time The disengagement time is not influenced by DC or AC switching operations t1 Engagement time t11 Reaction del...

Page 80: ...will be de energized after the motor is at standstill AC switching is also possible not applicable to emergency braking In this case the engagement times increase approximately by a factor of 5 refer...

Page 81: ...he AC voltage Spark suppressors are available on re quest depending on the coil voltage Heat Since the brake converts kinetic energy as well as mechanical and electrical energy into heat the surface t...

Page 82: ...2 Necessary tools NOTICE The toothed hub and screws must not be lubricated with grease or oil Type Torque wrench Insert for hexagonal socket Allen screws Open end wrench Allen key for transport safety...

Page 83: ...he spring applied brake 2 Check for completeness 3 Verify the name plate data especially the rated voltage 4 4 Installation Brake size Minimum requirements Use as counter friction surface Material1 Ev...

Page 84: ...A 14 0214 09 2017 23 4 4 1 Install the hub onto the shaft Abb 4 Installing the hub onto the shaft 1 Insert the key into the shaft 2 Press the hub onto the shaft 3 Secure the hub against axial displace...

Page 85: ...on 0 16 Page 85 Mechanical installation INTORQ BA 14 0214 09 2017 24 4 4 2 Brake assembly Install the counter friction surfaces Abb 5 Assembly of the flange 1 Hold the flange to the end shield 2 Align...

Page 86: ...the rotor Abb 6 Assembly of the rotor 1 Push the complete rotor onto the hub and check that it can be moved by hand Do not use any lubricant Exception rotor with toothing that has been sprayed by the...

Page 87: ...4 EN Date 28 Jan 2020 Version 0 16 Page 87 Mechanical installation INTORQ BA 14 0214 09 2017 26 Assembly of the complete stator Abb 7 Mounting the complete stator 1 Push the complete stator onto the s...

Page 88: ...Date 28 Jan 2020 Version 0 16 Page 88 Mechanical installation INTORQ BA 14 0214 09 2017 27 Abb 8 Remove the transport locking device 3 Remove the transport safety bolts discard them 4 4 3 Check the ai...

Page 89: ...shield must be checked 4 4 4 Cover ring assembly Abb 10 Cover ring assembly 1 Pull the cable through the cover ring 2 Push the cover ring over the complete stator 1 3 Press the lips of the cover ring...

Page 90: ...stallation INTORQ BA 14 0214 09 2017 29 4 4 5 Hand release assembly optional Abb 11 Assembly of the hand release NOTICE The assembly of the hand release is carried out on the spring applied brake whic...

Page 91: ...ust washers on the lever so that the lubricated coated sides face each other 6 Place four disc springs in alternate directions in each of the two sleeves 7 Finally insert the sleeves into the holes in...

Page 92: ...L before adjusting the hand release Refer to 27 and 28 for this procedure Type sLN 0 06 0 08 mm Turn back degrees BFK464 17R 0 4 450 1 1 4 turn BFK464 18R BFK464 19R 360 1 turn BFK464 20R BFK464 22R B...

Page 93: ...of unintended start ups or electric shock NOTICE Make sure that the supply voltage corresponds to the name plate data NOTICE If an emergency stop is carried out without the required suppressor circuit...

Page 94: ...stions Abb 13 INTORQ BFK464 connection diagram Switching on K2 K4 must be switched on before or at the same time as K1 K3 Switching off Normal AC switching K2 K4 remain closed K1 K3 open Emergency sto...

Page 95: ...s elapsed the bridge half wave rectifiers switch over from bridge rectifi cation to half wave rectification Depending on the design of the load an improvement of the switching be haviour or a reductio...

Page 96: ...ons Fastening options Rectifier type Bridge half wave rectifier Output voltage for bridge rectification 0 9 x U1 Output voltage for half wave rectification 0 45 x U1 Ambient temperature storage operat...

Page 97: ...214 09 2017 36 5 3 3 Permissible current load at ambient temperature 1 For screw assembly with metal surface good heat dissipation 2 For other assembly e g adhesive 5 4 Electrical connection DANGER Th...

Page 98: ...temperatures vary Before the initial commissioning check the braking torque when the brake is being used on the custom er s friction surfaces If the brake is used as a pure holding brake without any...

Page 99: ...r to bridge half wave rectifier 35 the measured DC voltage must correspond to the holding voltage refer to Tab 5 A deviation of 10 is permissible 7 Check the air gap sL It must be zero and the rotor m...

Page 100: ...spend Bowden cable not included in the delivery package and pull with approx 800 N The drive must be able to be turned freely A low residual torque is permitted 15 Release the lever Torque must be ava...

Page 101: ...armature plate must be attracted and the rotor must move without residual torque Measure the DC voltage at the brake After the over excitation time refer to bridge half wave rectifier 35 the measured...

Page 102: ...alculation of the ser vice interval can be supported by the design program INTORQ Select NOTICE Braking torque reduction The air gap must not be re adjusted after it has been correctly adjusted during...

Page 103: ...brakes are not serviced Therefore a maintenance strategy that is adapted to the particular operating conditions and brake loads must be de fined for every application For the spring applied brakes th...

Page 104: ...gap with the maximum permitted air gap sLmax 16 4 If required replace the rotor completely Refer to 44 for the description NOTICE Brakes with defective armature plates socket head cap screws springs...

Page 105: ...h off voltage 2 Disconnect the connection cable 3 Loosen the screws evenly and remove them completely 4 Remove the complete stator from the end shield Pay attention to the connection cable 5 Pull the...

Page 106: ...n Please include the following information with the order Order number of the brake Position number of the spare part Abb 16 Spring applied brake INTORQ BFK464 R Item Designation Variant Complete hand...

Page 107: ...ize 17 18 19 20 22 25 28 Design R Voltage 103 V 51 5 V 103 V 72 V 205 V 103 V 360 V 180 V Brake torque ________ Nm Cable length standard 600 mm ___________ mm Hand release mounting kit Armature plate...

Page 108: ...resistance with the nominal resistance Refer to 16 for the values If resist ance is too low replace the complete stator Check the coil for short to ground using a multimeter If there is a short to gro...

Page 109: ...the same on both sides Correct if required Air gap sL too small Check the air gap sL Rotor thickness too small Rotor has not been replaced in time Replace the rotor 44 Voltage not zero during function...

Page 110: ...Aerzen Germany 49 5154 70534 444 49 5154 70534 200 info intorq com INTORQ Shanghai Co Ltd 600 6 B No 600 Xin Yuan Nan Road Building No 6 Zone B Nicheng town Pudong 201306 Shanghai China 86 21 20363 81...

Page 111: ......

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