HongYu Metal Company Limited  
Contact Name:linsenPhone:0532-86896067Fax:0532-86892807
Address:Room802,Unit1,Building5,Huifeng Garden,Qingdao Economic&Technology Developing Zone,Shandong Province,China.Zipcode:266555
Email:Website: http://www.lcwasher.com
DIN|JIS|SP|APP|
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DIN 436
Square washers for use in timber constructions
DIN 440
Washers with square hole for use in timber constructions
DIN 1441
Washers,coarse type,or bolts
DIN 7349
Plain washers for bolts with heavy clamping sleeves