Our company is a Chinese specialized manufacturer and supplier of petroleum equipment and parts. Our company is ISO9001:2008 certified. Our technicians and managers all have about ten years' experience in developing, researching and management, our products have been supplying to BOMCO, RG, RONGSHENG, KERUI, HONGHUA, etc. For many years, also do OEM for them. They all have very good feedback about the quality of our products.