The company was founded in 2014, registered trademark "SSRJ". The factory covers an area of 7,000 M2, with a building area of 4,000 M2 and a total investment of 30 million yuan. It focuses on investing more than 20 million yuan to purchase advanced high-precision production and testing equipment at home and abroad, and to develop and manufacture various kinds of bolts and bolts. The company has passed IATF16949:2016 quality management system certification.