... 6 years already, with ISO9001:2008 certificate, Over 90% of our products are export to Germany, Spain, Italy, USA ... Powder Coating, Blacken, Hardening, Painting and many other treatment of the parts.4.Quality Assurance :IPQC inspect each casting ... ASTM,AISI,BS,GB standardPrecision steel casting 1. Description: Precision Investment, Lost Wax Process..........2. Material: Stainless steel, alloy steel, ...