Do you accept OEM and ODM orders?

Yes, both OEM and ODM services are available for this product.

What certifications does the product have?

The product is certified under ISO 9001:2000 and ISO 9001:2008 standards.

What are the available bow heights?

A choice of standard bow heights is provided to ensure optimum starting and restoring force criteria.

Non Welded Bow Spring Casing Centralizer

Name: Non Welded Bow Spring Casing Centralizer
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 709564542

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$20.00

1 Piece

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008

Surface Treatment

Plastic Painting

Model NO.

4 1/2"-20"

Centralizer Type

Elastic

Structure

Automatic Reversing

Material

Cast Steel

Type

Centralizer

Spec

4 1/2"-20"

Sample

Available

Markings

Available

Drawings

Available

Color

Red/Orange/Black

Height

300mm

ODM

Acceptable

Transport Package

Wood Cases

Specification

4 1/2"-20"

Trademark

zhongshi

Origin

China, Henan

HS Code

843143100

Production Capacity

10000PCS/Month

Key features

Non-Welded Design: Eliminates weak spots for enhanced structural integrity and reliability.

Elastic Bow Spring Structure: Provides reliable downhole performance with special locking tabs and hinges.

Customizable Dimensions: Special sizes and various bow configurations available upon request.

Optimized Force Criteria: Standard bow heights ensure optimum starting and restoring force balance.

Stainless Steel Option: Available in stainless steel for superior corrosion resistance.

OEM/ODM Services: Full OEM and ODM services accepted with custom markings and drawings.

ISO 9001 Certified: Manufactured under ISO 9001:2000 and ISO 9001:2008 quality standards.

Proven Field Experience: Design based on over 30 years of field experience and laboratory testing.

Company profile

Puyang Zhongshi Group Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-09-22 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryPuyang Zhongshi Group Co., Ltd. is identified as a Chinese manufacturer established in 1997, focused on casing cementing equipment, float equipment, centralizers, and cementing plugs. The supplier reports a 52,000 m² plant, 10 production lines, annual casing-centralizer output of 200,000 pieces, and exports to multiple global regions. ISO 9001:2015, ISO 14001:2015, and ISO 45001:2016 are stated, while other company information references API certifications. Trade records show shipments associated with buyers in India, Brazil, and Peru, but the records are recent and limited. Evidence supports established manufacturing and export capability; after-sales service, financial credibility, and customization capability remain insufficiently documented.

Supplier typeThe supplier is explicitly classified as a manufacturer and describes itself as producing casing cementing equipment and related oilfield products. It is based in Puyang, Henan, China, and reports that it was established in 1997.

CertificationsThe supplier reports ISO 9001:2015, ISO 14001:2015, and ISO 45001:2016 management-system certificates. It also states that it holds API 5CT, API 6A, API 11AX, and API 11E certificates, although the provided information does not include certificate validity or scope details.

Production capacityProduction capability is supported by a reported 52,000 m² plant, 10 production lines, 9 factories, more than 500 employees, and annual casing-centralizer output of 200,000 pieces. The supplier also states that it can serve broad international markets, with typical lead times of 2–3 months in both peak and off-peak periods.

Client casesThe supplier is associated with buyers or shipments involving VNK Solutions, Smart Welding de Macae Servicos Ltda, and a Peru-related transaction, while also stating exports to more than 30 countries. The evidence indicates international customer exposure, but provides limited detail on completed projects, customer satisfaction, order scale, or repeat business.