... , DIN, GB, BS, JIS, NF, AAR Investment Casting of Suspension Parts for Trailers 1.Quality system certificate: ISO 90002. Standard: AISI ... meter 6. Casting Weight: 0.2~200Kg 7. Productivity: 10000 tons per year 8. Casting Process: Investment Casting , Sand Casting, ... Machine, Polishing, Chrome, Zinc, Nickel Plating 11.These parts are used in machine assembly, valve &pump parts, auto &motorcycle parts, ...