We specialize in non-standard machine fasteners. 1.Certification:ISO9001 2. Drawings Accepted 3. Quick ... machine parts(nuts,bolts,fasteners),our products are widely used in furniture, car, ship, electron and other fittings of indusrial products ... iron,grey iron,stainless steel,alloy steel,aluminum,aluminum alloy3 Standard ISO ASTM GB ASTM DIN JIS4 Process drawings-mould making ...