JS DFXK.JS DFXK was established in 2004 with a registered capital of 350 million yuan and is located in Wuqing District, Tianjin. It is an integrated petroleum drilling and production manufacturing enterprise specializing in the development, production, and sales of petroleum machinery and accessories, chemical machinery and accessories, and general-purpose machinery and accessories. Its primary products encompass 11 major series and over 30 varieties, including oil drilling rigs, workover rigs, electric workover rigs, mobile housing units (barracks), drilling and production accessories, mud circulation systems, mud pump units, generator sets, air compressor units, wellhead tools, and drilling equipment components. The company possesses modern factory facilities and intelligent manufacturing equipment, employing processes such as riveting and welding, metal processing, baking paint, assembly, material allocation, and testing. The 50,000-square-meter product assembly base can simultaneously accommodate the assembly and debugging of 10 drilling and workover rigs. It serves as a primary supplier of petroleum drilling and production equipment and accessories for CNPC, Sinopec, and CNOOC. JS DFXK has successively obtained ISO9001, ISO14001, ISO45001, HSE, and Two-in-One Integration Management System certifications. Products hold the World Manufacturer Identification Code Certificate, possess the right to use American Petroleum Institute (API) Spec 4F and 7K logos, and have passed China's mandatory “3C” certification, explosion-proof certification, and Russian Customs Union certification. Primary products include: truck-mounted workover rigs, truck-mounted drilling rigs, trailer-mounted drilling rigs, skid-mounted drilling rigs, workover rig support equipment, automated tools, mud circulation systems, specialized drilling and workover equipment, and field camp facilities.