Shandong Serva Oil Tools & Service Co., Ltd. Was jointly founded by American Blue Shark Co., Ltd. And Shandong Shengli Oil Field Well Cementation Engineering Technology Co., Ltd. Founded in 2004, it is located in the High-tech Park, University of Petroleum, Dongying City, Shandong Province. The company has a floor area of 75 mu, a plant area of more than 14, 000 square meters and more than 80 pieces of equipment including more than 20 pieces of high-grade, precision and advanced equipment. It is a professional company integrating technical research and development, production and processing and technical service.

We are mainly engaged in the development and sale of oil drilling equipment and instruments, the development and manufacture of oil casing tools, rig tools and accessories, oil field project contracting and technical service, and the development and sale of oil well cement additional agents and oil auxiliaries (do not contain dangerous goods). Its main products include float collars and float shoes, cement heads, centering guides, top connecting collars, guiding shoes, multiple stage cementers, inner tube method cementing devices, hangers, etc.