Liaocheng Tongning Metal Co., Ltd. is a professional manufacturer of high-quality deep groove ball bearings, mechanical stamping parts, and various alloy tubes. Located in Liaocheng City, Shandong Province. The company adheres to the concept of "people-oriented, determined to innovate" and always attaches importance to the introduction and training of talents. The company has strong technical force, technical personnel have undergone rigorous training and assessment, work rigorously and earnestly, with complete testing equipment to ensure product quality