... 1) Ductile iron and gray iron sand casting Features:Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, ... (Previous Year) Stamping Parts & Machining Parts Product Line Gearbox 1,000 Pieces / Month, Gear & Worm Gear ... Month, Automobile Stamping Parts 800,000 Pieces / Month Gearbox 5,000 Pieces, Gear & Worm Gear 40,000 Pieces ... 3,961,700 60.95 South America USD 107,100 1.64 Southeast Asia USD 214,350 ...