... .Roller Material:POM,nylon,glass fiber,etcOEM and non-standard bearing&roller orders are available .Website: www.yczco.com.cn www ... .bearingcn.en.alibaba.com Yuancheng bearing Co.,Ltd is founded in 2004,which is located in Fuan City ... deep groove ball bearings for carbon steel, bearing steel , stainless steel,non-standard bearing and injection molding roller and dysmorphism parts . Our ...