... >> Production Capacity: Product line name Production Line Capacity Actual Units Produced(Previous Year) Stamping Parts & Machining Parts Product Line ... Gearbox 1,000 Pieces / Month, Gear & Worm Gear 4,000 Pieces / Month, Valve 800 Pieces / Month, Welding ... 800,000 Pieces / Month Gearbox 5,000 Pieces, Gear & Worm Gear 40,000 Pieces, Valve 5,000 Pieces, Welding Structural ...