Shanghai Shangdian Washer Co., Ltd.  
Contact Name:Wendy SunPhone:021-57317386, 57338737Fax:021-57321201
Address:No 21, Zhujing Town, Shangyuan Street, Jinshan DistrictZipcode:0
Email:Website: http://www.shwasher.com
DIN|IFI|APP|
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fastener
DIN 436
Square washers for use in timber constructions
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DIN 440
Washers with square hole for use in timber constructions
fastener
DIN 1441
washers -type coarse for bolts
fastener
DIN 6340
Washers for clamping devices