What is the lead time for production?

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

What is the purpose of the shuttle-shape bow design?

The unique shuttle-shape design (narrower bar at two ends) provides higher restoring force, anti-drag features, and a better appearance.

Does the centralizer have anti-rust properties?

Yes, it undergoes a special coating process with baking varnish matt coating to prevent rust.

API Manufacturer Single Piece Bow Spring Centralizer

Name: API Manufacturer Single Piece Bow Spring Centralizer
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 721932002

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$30.00-80.00

1 Piece

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

Certification

API

Surface Treatment

Spray-Paint

Model NO.

API 10D

Centralizer Type

Elastic

Structure

Automatic Reversing

Material

65mn Steel

Type

Centralizer

Item

Integral Casing Centralizer

Size

9 5/8"* 12 1/4"

Standard

API 10d

Height

17.5"

Starting Force

Restoring Force

3200 Lbf

Transport Package

Wooden Case

Specification

API Standard

Trademark

PYZS

Origin

China

HS Code

Production Capacity

5000PCS/Month

Key features

High Restoring Force: Restoring force is almost two times of API standard for better centralizing function.

Unique Shuttle-Shape Design: Narrower bar at two ends provides anti-drag feature and higher restoring force.

Premium Material: Made from special high strength 65Mn steel for excellent hardness and spring action.

Anti-Rust Coating: Baking varnish matt coating prevents rust and improves appearance.

API Certified: Product meets API 10D standard with approved API monogram usage.

Customizable Options: Customized size, standard, and specifications available for integral casing centralizer.

Robust Packaging: Wooden case with standard export packaging suitable for sea, air, and rail transport.

Manufacturer Direct: Direct from Henan Puyang Zhongshi Group with strong technical backup.

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.