Liaocheng Kaifa International Trade Co., Ltd. was founded in 2001, and has three subsidiaries. We professionally produce bearings, seamless steel tubes and pipe fittings. Complying with the market economy, we have achieved rapid development with the support of friends and customers at home and abroad. Now, our company has become a dazzling star of international steel tubes and bearings trade rising from Shandong. By adopting advanced technology of bearing process and modern quality ...