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    1. Never forget the original intention

      it has obtained 3 invention patents and 9 utility model patents and participated in drafting the national standard for starting lead-acid batteries.

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      Over 26 years of development

      our batteries have advantages of outstanding low-temperature starting performance, shock resistance, long life, and easy maintenance.

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      Enterprise concept

      Integrity, efficiency, quality and service

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      about us

      ABOUT US

      Our Latest Work

      SHANDONG YONGLIJINGGONG PETROLEUM EQUIPMENT CO.,LTD

      SHANDONG YONGLIJINGGONG PETROLEUM EQUIPMENT CO.,LTD.was established in 2008 with the registered capital RMB 62 million. It has been one of the largest scale and most species industries in the current domestic petroleum tubing and casing coupling industry. The products can cover all grade and thread in the range of API standard and the company is also engaged in research and development, production, sales and service of special thread and new material products.

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      About

      Well known enterprises

      It has 6 invention patents

      One stop service provider

      Focus on unconventional oil and gas special pipe

      Three production bases

      Focus on technological innovation and product R & D

      The company passed the ISO9001 quality management system certification in 2004 and the three system certification of "quality, environment, occupational health and safety management" in 2009

      products

      PRODUCTS

      Our Latest Work

      Tubing and Casing Series

      Coupling series

      News Center

      Excellent technical team and unique climate environment have accumulated for decades

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