What material are the bows made of?

Premium quality bows are made of special alloy steel and are hot formed in a controlled heat treatment plant.

Cast Aluminium Spiral Vane Set Screw Rigid Roller Centralizer

Name: Cast Aluminium Spiral Vane Set Screw Rigid Roller Centralizer
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 708525022

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$10.00

20-199 Pieces

US$9.80

200-1,999 Pieces

US$9.00

2,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Certification

API

Material

Rigid/Nylon/Cast Aluminum/Idler Wheel

Model NO.

5.5"

Type

Heavy Crude Oil

Height

650

Weight

Bow Number

Type1

Bow

Type2

Slip on

Color

as Requested

Application

Oil Product

Transport Package

Wooden Case

Specification

API

Trademark

zhngshi

Origin

China

HS Code

7302

Production Capacity

5000PCS/Year

Key features

API 10D Certification: Meets API Spec 10D standards for bow spring casing centralizers.

Customizable Color: Color can be customized as requested by the customer.

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

Reduced Friction Design: Roller rigid centralizers convert slipping friction to rolling friction for smooth casing movement.

Spiral Vane Protection: 360-degree overlap solid vane design prevents damage to wellhead equipment.

Special Alloy Steel Bows: Premium bows are hot formed in controlled heat treatment for uniform hardness.

Stackable Design: Unfolded centralizers can be stacked flatly for convenient storage and transportation.

Versatile Well Application: Suitable for vertical, horizontal, and highly deviated wells.

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.