... -Casting 1) Ductile iron and gray iron sand casting Features:Gearbox, Gear case, Gear, Worm, Worm Shaft, Casting, Sand-Casting1) ... levels10) Greatly reduces noise and improves carrying capacity 11) Software for specification drawings: Pro/E, Auto CAD, Solid Work 2005, ... Units Produced(Previous Year) Stamping Parts & Machining Parts Product Line Gearbox 1,000 Pieces / Month, Gear & Worm Gear 4,000 ...