Founded in 1982, we are one of the leading oil equipment manufacturers and suppliers in China. We cover 650,000sqm, and are equipped with petroleum equipment of a research institute, a machining center, a hydraulic test center, a nondestructive test center, a weld center, a physical & chemistry lab and a truck-no-disassembly inspection line. We have passed certifications of ISO9001:2000, API SPEC4F, 7K, 8A, and have many self-intellectual properties (national patents). We are titled as ...