Dongchen Company carefully follows and executes TS16949: 2002 international standard. Safety belt series have obtained E-MARK certificate issued by the Ministry of Transportation of Netherlands and DOT Certificate of the USA, while our products of all categories have 100% obtained the 3C compulsive certificate of our country. "XIAYE" brand vehicle components have been designated as the Quality-assured and Standard-complied qualified products in the national vehicle components industry.