What are the shipping advantages?

The disassembled design allows for compact packaging, which greatly reduces shipping costs.

How is the centralizer installed?

Installation is convenient by setting two halves on the piece and inserting the pin in the end collar hinge.

What is the lead time for orders?

The average lead time is 1-3 months for both peak and off-peak seasons.

API Casing Non Weld Bow Type Spring Hinged Casing Centralizer

Name: API Casing Non Weld Bow Type Spring Hinged Casing Centralizer
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 701055082

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$14.06

1-999 Pieces

US$13.45

1,000+ Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2008, API

Surface Treatment

Spray-Paint

Model NO.

Bow Spring Casing Centralizer

Centralizer Type

Elastic

Structure

Automatic Reversing

Material

Carbon Steel

Type

Centralizer

Size Range

4 1/2''--20''

Process

Woven

Standard

API

Use

Well Cementing

Transport Package

Plywood Case

Specification

4 1/2---20''

Trademark

Zhongshi

Origin

Henan, China

HS Code

73079900

Production Capacity

10000piece/Month

Key features

API and ISO Certified: Meets API 5CT, API 11E, API 6A, API 11AX, ISO 9001, and ISO 14001 standards.

Customizable Sizes: Standard range 4.5-20 inches with special sizes available upon request.

Non-Welded Hinged Design: Features hinge-pin design with woven bow profile for easy installation.

High Reset Force: Double-bow design offers stronger centralization performance than single-bow.

Carbon Steel Material: Constructed from durable 65Mn and carbon steel for wellbore stability.

Reduced Shipping Cost: Disassembled centralizers pack compactly to minimize logistics expenses.

Improved Cementing Quality: Reduces channeling effect and boosts mud replacement ratio.

OEM and ODM Services: Full customization support available with 8 R&D engineers.

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: ≤11.34h 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.