SXJZ.SXJZ was established on June 12, 2006, with its registered location in Jinzhong City, Shanxi Province. The company has a registered capital of 31.8 million yuan and fixed assets valued at 24.59 million yuan. Forty percent of the company's employees hold associate degrees, while fifty percent possess bachelor's degrees or higher. Among these, 30% are technical personnel specializing in mechanical design and manufacturing, petroleum drilling engineering, and related fields. SXJZ has obtained product certifications including American Petroleum Institute (API) Spec 7-1 (Certificate No. 0631) and API Spec 5DP (Certificate No. 0008), along with ISO 9001:2000 Quality Management System certification. Equipped with domestically advanced specialized production facilities, supporting tooling, and comprehensive testing capabilities, the company implements quality control points across multiple stages—including raw material chemical analysis, product mechanical property testing, ultrasonic inspection, magnetic particle testing, and geometric dimension verification—to ensure products meet stringent quality standards. Primary products include: drill collars, non-magnetic drill collars, spiral drill collars, solid weighted drill pipes, square drill pipes, friction welded drill pipes in various specifications, specialized drill pipes for coal mine blasting holes, oil casing, trenchless drilling tools, and geological tubing. Supporting accessories include various drill tool connectors, lifting joints, and other auxiliary tools.
