Shandong Tenggong Bearing Co., LTD is located in Linqing, Shandong Province, which is a scenic canal city and China’s home of bearings. Since its foundation in 2008, the company has been committed to the R ﹠ D, production and sales of plain bearings. And it has created three brands until now, they are TGBAL, INSK and BLS. After a few years....