+DIN555 +Free for samples +Materials:SWRCH8A,SWRCH35K,Q195LY,45# +Surface:Plain,Zp,Black,HDG +Packing:Ctns,Pallet Our company is a leading MANUFACTURER and SUPPLIER specialized in the production and marketing of fasteners and wire drawing,as well as the import and export of the goods and technologies. Our products enjoy the reputation both at home and abroad. StandardDIN, BS, IFI, JIS, AS, GB,Non ...