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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

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        Excellent technical team and unique climate environment have accumulated for decades

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        you can write your message in here, we will reply as soon as possible:

         
         
         
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