Changzhi Trieternal Science & Trading Corp., Ltd., with five factories, having been engaged in exporting bearings for more than 10 years, is a professional supplier of a wide and diverse range of bearings. We produce ball bearings, tapered roller bearings (both inch system and metric system), spherical roller bearings, cylindrical roller bearings, spherical plain bearings as well as cages and forgings. Our mission is to provide quality bearings and related products at fair prices and superior customer service and win a good reputation among clients. We believe we will meet your needs today and tomorrow.