... ,We are specialize in produce all kinds of precision machinery parts(nuts,bolts,fasteners,washers,pipe fitting,washers,etc ... as the customers`drawing,samples2 Casting material cast iron,ductile iron,grey iron,stainless steel,alloy steel,aluminum,aluminum alloy3 ... melting furnance,casting machines,drill machine,laser cutting lathes,CNC machines,grinding machines,punching lathes,mill machines7 Inspecton ...