Blessing to round material: 1. galvanized steel surface 2.608ZZ [2] bearing + POM or ABS material shell 3.608ZZ bearing + POM or ABS material shell 4. reinforced nylon, nylon, POM + nylon Shandong Ningjin positive Tong machinery production of industrial machinery machinery accessories specializing in the production of blessing to the wheel, the material is industrial-reinforced nylon wear Tong Fuk Loi round KO machine (Figure) | Hexagon blessing to round | Hengyang blessing to round Ning County is provided by Tong Machinery Plastic Co., Ltd. Ning County is Tong Machinery Plastic Co., Ltd. (www.dzztjx.com) adhere to the "people-oriented" business philosophy, with a professional staff, and strive to provide the best products and services to contribute to society, and to welcome new and old customers to visit patrons, sincere cooperation for a better future. N Tong Machinery - your trusted friend Address: Galaxy Ningjin County Economic Development Zone, Contact: Qu manager.