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  • Non Weld Positive Centralizer - China

    price: contact company for price

    Non Weld Positive Centralizer

    Non welded positive Centralizers are uniquely designed with flat bottom U profile of different depths.

    The Centralizers significantly reduce frictional drag while being used in deviated holes.

    They provide almost 100% Stand Off when run inside a cased hole.

    They are supplied 1/4" or 6 mm less than the inside diameter of the hole size in which Centralizer is to be run.

    This design eliminates weak (brittle) spots passage.

    U profile bow design permits maximum fluid passage.

    Zhongshi manufacture casing centralizer, cementing basket, float equipment, cementing head, cementing plug and stage collar etc.

    We have 19 years manufacturing experience of petroleum machinery products till now.

    End Collars are designed with self-locking action, which are easy to assemble, time saver and have strong grip.

    The Ten special U sizes Bows can be configured to any hole dia.

    These Bows with extended profile prevent them from hitting against casing collars.

    Bows are of high quality steel for consistent characteristics.

    These centralizers undergo a special Iron Phosphate coating process to prevent from Rust then coated with special Polyester Powder.

    These can be shipped in half assembled condition for economy in shipping and storage costs.

    They are available in all sizes ranging from 4 1/2" to 20" sizes.

    Any special sizes or combination can available on request.

    If you have any question on casing centralizer, composite centralizer, hinged welded centralizer, aluminum spiral vane solid rigid centralizer and bow spring centralizer etc.

    We will give the professional answers to you.


    Company Contact:


    • Phone: 8602223456997

    • Address: Mazhuangqiao Industry Zone,, Puyang , Henan , China

    • Email: Email


    Published date: July 27, 2018

    • Business Description: Puyang Zhongshi Group Co., Ltd. was founded in 1996, which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC .

      The company registered capital is 60.83 million yuan, with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff .

      Oil machinery is our main products, the leading products include pumping unit, subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels, drilling solid control series products and cementing accessories, such as Casing Centralizer, Cementing Basket, Float Equipment and so on.

      We had attained ISO 9001 in 1998 and API Certificates in 2002 .

      We always insist on the implementation of “consolidating the Central Plains, reaching out to the world”, at the same time expanding domestic and overseas markets.

      For decades, our products are not only on admission Central Plains, Daqing, Shengli, Nanyang, Yanchang, Changqing, Karamay and other domestic major oil fields and coal-bed methane areas, but also are exported to Southeast Asia, Northern Europe, the Middle East, Africa and South America market.

      We have successively established long-term strategic cooperative relations with the oilfield market customers of Sudan, Russia, Kazakhstan, Indonesia, Iran, Syria, Venezuela and other countries .

      We would like to faithfully cooperate with friends from all circles with classic products and service to achieve common development .

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