... Certified by TUV 3)small order accepted Process availablesilica sol,sodium silicate (soluble glass) and compound processMaterial availablestainless steel, carbon steel ... yearheat treatment:anneal, quenching, normalizing, carburizing,polishing, platingMachiningCNC and NC machining, turning, milling, drilling, boring, threading, grinding machines and test facilityCertificationObtainISO9001:2008Quality ...