Can the centralizer be used in deviated wells?

Yes, these centralizers are designed for centralizing casing pipes in vertical, horizontal, and deviated wells.

What is the surface treatment?

The surface treatment is sand blast.

Is the centralizer suitable for close tolerance situations?

Yes, the UROS range is built for passing through close tolerance situations and opening back up into under-reamed or washed-out sections.

API Single Piece Bow Spring Centralizers with Set Screws

Name: API Single Piece Bow Spring Centralizers with Set Screws
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 726194012

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$40.00-50.00

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

Sand Blast

Model NO.

4 1/2''*6''

Centralizer Type

Elastic

Structure

Slider

Material

Cast Steel

Type

Centralizer

Sample

Available

Color

Red

OEM

Available

Height

305mm

Standard

API 10d

Markings

Available

Drawings

Available

Bows

6PCS

Transport Package

Wood Cases

Specification

4 1/2"-20"

Trademark

zhongshi

Origin

China

HS Code

843143100

Production Capacity

10000PCS/Month

Key features

Solid Molded Structure: Pressed by mold without welding or rivets for a solid, durable structure.

API 10D Compliance: Starting force and reset force strictly meet API 10D standards.

High Restoring Force: Designed for high restoring force and low starting force in vertical, horizontal, and deviated wells.

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

Trivalvular Design: Trivalvular structure allows the centralizer to be stacked flatly for convenient storage and transport.

Maximize Standoff: Built to gauge for easier RIH, maximizing standoff and cement job quality.

Cross Curvature Design: Curved in axial and tangential directions to conform to borehole walls and reduce formation failure.

ISO and API Certified: Certified under ISO 9001:2000, ISO 9001:2008, and API 10d standards.

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.