1)26 years experience on OEM precision casting 2)ISO9001:2008, CE/PED Certified ... availablestainless steel, carbon steel, Alloy Steel, WCB, Tool Steel and etc.Weight10g-200kgAccuracyclass CT4-CT7Surface roughnessup to Ra1 ... treatment:anneal, quenching, normalizing, carburizing,polishing, platingMachiningCNC and NC machining, turning, milling, drilling, boring, threading, grinding machines and ...