Mainly provides many kinds of standard fasteners
> Hex bolt

> U bolt

> J bolt

> stud bolts

> heavy nut

> thread rods

> washers

nuts and so on.

Non-standard fasteners according to client's specification.

Standard: 

> GB

> ASTM A193

> ASTM A307

> ASTM F3125

> SAE J429

> NEMA

> DIN

> JIS