... machines, meter lathes. Fenghua Haoyuan Machinery Manufacturer Co., Ltd is specialized in the production of DC motor ... alloy steel parts ,brass parts, bronze parts, copper parts, aluminum parts, ect. 3.Various ... Powder Coating, Blacken, Hardening, Painting and many other treatment of the parts. 4.Quality Assurance : ... machine(CMM), etc. 5. Advantages: (1). We would choose the first rate steel plate ...