We paased the international quality management system certifications, ISO 9001, ISO 14001, GB/T28001, HSE, API and so on. We supervise ever quality processes from production to leaving factory, and inspect strictly every production process to ensure thant products confirm to standard. Our products are exported to countries such as Spain, Turkey, Brazil, and India. After ceaseless effort of many years, we have become the audited supplier of CNPC and Sinopec. We sincerely welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!