94 visiting now: 67 USA USA flag 14 Canada Canada flag 9 Singapore Singapore flag 2 UK UK flag 2 China China flag 1 Japan Japan flag 1 Germany Germany flag 1 Ireland Ireland flag

Highlighted Companies

  • Eagle Eyes China Inspection Company (China): Eagle Eyes (CHINA) Quality Inspection Co.,Ltd. is a professional Third... https://www.china-qualityinspection.com
  • YESN-China shipping Labels manufacturer-compatible label factory (China): XIAMEN YESN-China shipping Labels manufacturer-compatible... http://www.yesnlabels.com
  • Verify China Company Service (China): Verify China Company is founded by a group of people who work years in international trade... https://verifychinacompany.com/
  • Non Weld Positive Centralizer - China

    price: contact company for price

    Non Weld Positive Centralizer

    Non Weld Positive Casing Centralizer 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.

    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.

    Zhongshi manufacture casing centralizer, float equipment, cementing head, cementing plug and Slip On Casing Centralizer etc.

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


    Company Contact:


    • Phone: 86 022 23456997

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

    • Email: Email


    Published date: December 10, 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 .

    Related listings



    • Single Straight Turbolizer
      Single Straight Turbolizer
      Equipment - Puyang Zhongshi Group Co., Ltd. - China - December 10, 2018 - contact company for price

      Single Straight Turbolizer Turbolizer centralizers have all of the characteristics of regular centralizers as far as starting and restoring forces are concerned. The main difference is that the Turbolizer centralizers have a built-in stop collar and ...

    • Slip On Centralizer
      Slip On Centralizer
      Equipment - Puyang Zhongshi Group Co., Ltd. - China - December 10, 2018 - contact company for price

      Slip on Centralizer Backed by the rich experience team of hard-working professionals, we are engaged in offering Slip On Welded Spring Bow Centralizer. The welded bow spring bow centralizer offered by us is highly popular in the market for directly i...

    • Hinged Welded Centralizer
      Hinged Welded Centralizer
      Equipment - Puyang Zhongshi Group Co., Ltd. - China - December 10, 2018 - contact company for price

      Hinged Welded Centralizer Hinged Welded Spring Bow Centralizers are high quality welded products, which meet or exceed API 10D specifications. They are designed for high restoring forces combined with low starting forces essential for centralizing ca...



    Safe Trade Tips

    • Ask for business references and check them
    • Use a payment method that offers better protection for all such as Letters of credit and verified professional escrow services. Avoid payments in advance such as money transfers
    • Verify their business via their local Chamber of Commerce
    • Search the internet using their website address, their business name, their phone and fax numbers, and their email addresses to see if you can find any feedback about them.
    • Get to know more about scams and fraud to avoid: Internet Crime Complaint Center - Consumer Financial Protection Bureau
    • This site is never involved in any transaction, and does not handle payments, shipping, guarantee transactions, provide escrow services, or offer "buyer protection" or "seller certification"