Chongqing Yinhe Petrochemical Machinery Manufacturing Co., Ltd. is an enterprise specializing in the research and development, manufacturing, sales and service of oil and gas drilling equipment and accessories. The company has a registered capital of 30 million and has successively passed ISO9001, ISO14001, ISO18001, ISO45001, OHSAS18001 quality management system certification, and HSE health, safety and environmental system certification. It has passed the API Spec 7-1 specification certification and the PetroChina Well Control Production Enterprise Qualification Certification, and obtained the certificate.

       The company has strong technical ability, a professional product design and R&D team, and senior professionals in the design and development of oil drilling tool products and oil well control products. It is a domestic R&D and professional manufacturer with petroleum plug valve products as its main industry.

       The company's technology continues to innovate and now has advanced and mature wear-resistant, torque-reducing, corrosion-resistant, temperature-resistant and surface hardening and corrosion-resistant treatment technologies. And has been committed to the research of products with low friction, high wear resistance, high corrosion resistance, high hardness, high strength, high scratch resistance, high temperature resistance, and high erosion and impact resistance. It has obtained more than 20 national patents, including 7 patents related to plug valves, including one invention patent. Leading products with independent intellectual property rights include: low torque and high life top drive drilling rig upper and lower plug valves and manual integrated plug valves, low torque and high life kelly upper and lower plug valves, high pressure, low twist and wear-resistant plug valves for pipelines, oil pipe plug valves, Full-bore plug valve and other series products; super floating wash pipe assembly, etc.