DBY is double-stage gearbox; DCY is three-stage gearbox Four assembly types according to output shaft: I, II, III, IV, Face to Shanghai Goldgun aims at "a professional supplier of transmission equipments and parts" when founded in July 2003. Under the guidance of this ultimate goal, it upgrades step by step.Our products include:1. Helical Gearbox / Geared Motor2. Right Angle Shafts & Parallel ...