Shanghai Heishan Hardware Co., Ltd., which mainly produces and sells standard high-quality fastener and custom non-standard special fastener according to customers’ requirements, such as DIN, UNI, GB、ANSI、BS、JIS、ISOetc. The products are widely used in electron, machine, energy, chemicals, die, hydraulics, automobiles, etc.

Product material: Carbon Steel, Alloy Steel, Stainless Steel, Copper, Nylon, Plastic, etc.
Product surface treatment: Zinc Clear, Zinc Yellow, Zinc Black, Tin-plating, Nickel-plating, Dacromet, Mechanical Galvanizing, Hot-dip Galvanizing, Dye Blackness, Phosphor Grey, Copper Yellow, etc.