Purchase Qty. Reference FOB Price
1-299 Pieces US$0.43
300-499 Pieces US$0.35
500+ Pieces US$0.29
Product Description
product description After a lot of trial-and-error improvements, we successfully improved the gear engagement problem, increased the durability and reliability of the gears, and greatly reduced the consumable level of our gear consumption. Nickel-plated gears are made of hardened steel metal and ...