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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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(JB /ZQ 4336 - 2006)
material
Carbon steel
Coating
black oxide coating
材料:碳钢,不锈钢;规格齐全;表面处理按客户要求
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Similar Products
GB /T 97.3 - 2000
DIN 1440 - 1974
ISO 8738 - 1986