We specialize in custom precision machinery parts. 1.Certification:ISO9001 2. Drawings Accepted 3. Quick shipment 4. ... in 1994,We are specialize in produce all kinds of precision machinery parts(nuts,bolts,fasteners,washers,pipe fitting,washers,etc),our ... OEM service offered as the customers`drawing,samples2 Casting material cast iron,ductile iron,grey iron,stainless steel,alloy steel,aluminum ...