SHANDONG LIAOCHENG HILL BEARING CO. , LTD. is located in Liaocheng, Shandong province Yandian Industrial Park. HILL is its registered trademark. It is a professional slewing bearing manufacturer and facilitator. The structures of its main products are deep groove ball bearing single row balls, tapered roller bearing , self-aligning roller bearing . Since its foundation,the company has owned a regularized production base,excellent numerical control production equipments and a complete quality inspection system. Besides,it has passed ISO9001 :2008 quality system.