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Shanghai Shangdian Washer Co.,Ltd.
上海上垫垫圈有限公司
Premium Supplier
14 Years
Main Products
Washers
Spring washers
Square washers
High-strength washers
Lock washers
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Wave spring washers
(DIN 137 (B) - 1987)
material
High-carbon steel
Coating
black oxide coating
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Similar Products
GB /T 955 - 1987
DIN 137 (B) - 1994
DIN 6904 - 1990
DIN 137 (A) - 1987
Q 416
CNS 4406 - 1979
YJT 6002
QC /T 363 - 1999
