What certifications does the product have?

The product holds ISO 9001:2000 and ISO 9001:2008 certifications.

What is the lead time for production?

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

Is the centralizer suitable for directional wells?

Yes, it can be applied directly to casing for drilling in both straight and directional wells.

API 10d Spec Slip on Hinged Bow Spring Centralizer

Name: API 10d Spec Slip on Hinged Bow Spring Centralizer
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 698570912

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$25.00

1-499 Pieces

US$24.50

500-999 Pieces

US$24.00

1,000-2,999 Pieces

US$23.50

3,000-4,999 Pieces

US$23.00

5,000+ Pieces

Sample price:US$25.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008

Surface Treatment

Spray-Paint

Model NO.

4 1/2-20inch

Centralizer Type

Elastic

Structure

Automatic Reversing

Material

Cast Steel

Type

Centralizer

Size

4 1/2"-20"

Color

Red/Black

Sample

Available

Drawing

Available

Markings

Available

ODM

Available

OEM

Available

Transport Package

Wood Cases

Specification

4 1/2"-20"

Trademark

zhongshi

Origin

China

HS Code

843143100

Production Capacity

10000PCS/Month

Key features

API 10D Compliance: Manufactured strictly according to API Spec 10D standards for reliable wellbore performance.

Seamless Steel Construction: Body made of seamless tubular steel with steel bar stock blades for maximum durability.

Customizable Sizes: Available in sizes ranging from 4 1/2 inches to 20 inches to fit various casing requirements.

Color Options: Surface treatment available in Red or Black spray-paint finishes.

Elastic Bow Spring Design: Automatic reversing elastic structure ensures maximum blade contact with wellbore contours.

ISO 9001 Certified: Manufacturing process certified under ISO 9001:2000 and ISO 9001:2008 standards.

OEM/ODM Services: Full OEM and ODM services available including custom drawings and markings.

Optimized Fluid Passage: Blade width designed to support wellbore without cutting into sides while maintaining flow.

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.