... is specialized in the production of DC motor gear cabinets, stamping parts, plastic parts, machine parts, etc. 1. Fully ... 2.Various Machining Materials: Metal parts, stainless steel parts, alloy steel parts ,brass parts, bronze parts, copper parts, aluminum parts, ect. 3.Various Finishes ... Blacken, Hardening, Painting and many other treatment of the parts. 4.Quality Assurance : IPQC inspect each part ...