What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the warranty or guarantee?

The product meets API Spec 10D standards and is backed by ISO 9001 quality management.

Where is the manufacturer located?

The manufacturer is located in Mazhuangqiao, Puyang, Henan, China.

Slip on Welded Bow Spring Casing Centralizer

Name: Slip on Welded Bow Spring Casing Centralizer
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 732266682

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$1.00-20.00

1 Piece

Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008, API 10d

Surface Treatment

Spray-Paint

Model NO.

5 1/2''*8 1/2''

Centralizer Type

Elastic

Structure

Slider

Material

Cast Steel

Type

Centralizer

Color

Red

Length

300mm

Bows

6PCS

Samples

Available

Markings

Available

ODM

Available

Transport Package

Wood Cases

Specification

5 1/2''*8 1/2''

Trademark

Origin

China

HS Code

843143100

Production Capacity

10000PCS/Month

Key features

API 10D Certified Quality: Spec and performance index meet API Spec 10D standards for reliable well operations.

High Restoring Force Design: Double bow type provides higher restoring force and better centering performance than single bow.

Optimized for Deviated Wells: Designed for high restoring force and low starting force in vertical, horizontal, and deviated wells.

Premium Alloy Steel Bows: Bows made of special alloy steel with hot formed heat treatment for uniform hardness.

Improved Cementing Quality: Reduces channeling and sticking, balancing annular pressure to improve mud replacement efficiency.

Customizable Specifications: Color, length, and markings are customizable to meet specific project requirements.

ISO 9001 Certified Manufacturer: Produced by a manufacturer with ISO 9001:2000/2008 and API 10D certifications.

Easy Storage and Transport: Unfolded centralizer can be stacked flatly for convenient storage and transportation.

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.