Specifications: Our casters have been sold out more than 100,000,000pcs in Japan market during 10 years. Also, the amount is increasing continuously. This product is our proudest item for export. We have many years’ experience in exporting casters. There are many types of casters, such as socket stem, screw stem, plate stem, ring type, U-shaped, Bifma Type, “H” type stem, etc. They are made of ABS, nylon, pp … Our products’ quality is excellent that we can guarantee.