Group products successively through the United States DOT certification, the European ECE certification, Brazil INMETRO certification and national compulsory product certification (3 c certification), the European Union, noise and wetland certification, the European Union REACH certification, GCC (Gulf CooperationCouncil) certification certification the enterprise has passed the ISO16949 quality management system certification, ISO14001 environmental management system certification and OHSAS18001 occupational health and safety management system certification, for the healthy development of the enterprise to increase power.