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　　The company's main products include high-pressure hydraulic end assemblies and accessories, fracturing manifolds, high-pressure fluid control components, throttling and well control manifolds, downhole tools, casing heads, high and medium pressure series valves, mud pump accessories, drilling fluid manifolds, etc., covering complete sets of petroleum machinery equipment and accessories, petroleum drilling and production special equipment and accessories, widely used in industries such as oil fields and chemical industry. The products are sold to PetroChina Daqing, Tarim, Qinghai, Changqing and other oil fields, as well as Daqing Drilling, Bohai Drilling, Great Wall Drilling, Western Drilling, Chuanqing Drilling and other companies. The company maintains long-term business cooperation with well-known petroleum equipment manufacturing enterprises such as domestic gemstones, orchids and overseas Caterpillar.