... , nickel, chrome platingsandblasting, painting, PVC powder coating 9) Precision machining: CNC lathes, milling, drilling, planning, grinding machinesand testing facilities ... Previous Year) Stamping Parts & Machining Parts Product Line Gearbox 1,000 Pieces / Month, Gear & Worm Gear 4,000 Pieces / Month ... ,000 Pieces / Month Gearbox 5,000 Pieces, Gear & Worm Gear 40,000 Pieces, Valve 5,000 Pieces, Welding ...