China OEM RV050 80b Aluminum Alloy Worm Reducer Gearbox with Best Sales

Product Description  Technical knowledge listing:          Parts:1. Housing: Die-forged Aluminum Alloy Gearbox (RV571~RV090)Cast Iron Gearbox (RV110~RV150)two. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloythree. Worm Shaft: 20Cr Metal, carburizing,...