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API 10d Spec Standard Single Piece Centralizer
US$40.00
1-499 Pieces
US$39.50
500-999 Pieces
US$39.00
1,000-2,999 Pieces
US$38.50
3,000-4,999 Pieces
US$38.00
5,000+ Pieces
Sample price:US$40.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008

Surface Treatment

Polishing

Model NO.

4 1/2"*6"/ 7"*8 1/2"/7"*9 1/2"

Centralizer Type

Elastic

Structure

Slider

Material

Stainless Steel

Type

Centralizer

Drawing

Available

Sample

Available

Size

4 1/2"*6"/5 1/2""*8 1/2"

ODM

Acceptable

OEM

Available

Markings

Available

Height

as Request

Color

Red/Black/Green

Transport Package

Wood Cases

Specification

4 1/2"-20"

Trademark

ZS

Origin

China

HS Code

843143100

Production Capacity

10000PCS/Month

Key features

API 10D Spec Compliance: Complies with API Spec 10D for starting compression, running down hole and expansion force.
High Standoff Ratio: Offers high standoff ratio (+85%) combined with high restoring force for effective centralization.
One-Piece Integral Design: Single piece bow spring centralizer ensures integrity during rig operations with zero start force.
Flexible Bow Spring Structure: Curved in axial and tangential directions to conform to borehole wall and reduce formation failure.
Reduced Torque and Drag: Designed to compress fully in tight spots, reducing both torque and drag during operations.
Customizable Dimensions: Available in sizes from 4 1/2' to 20', with custom markings and colors (Red/Black/Green).
High Fatigue Strength: Provides high fatigue strength for axial forces and radial side loads on bows during tubular rotation.
OEM/ODM Support: Acceptable ODM and OEM services with available drawings and samples for custom requirements.

Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-09-22 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤18h 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.

Product Q&A

Q:What is the material of the centralizer?
A:
The centralizer is made of Stainless Steel with a polished surface treatment.
Q:Does the centralizer comply with API standards?
A:
Yes, the specifications comply with API Spec 10D for starting compression, running down hole, and expansion force.
Q:What is the maximum standoff ratio?
A:
The centralizer offers a high standoff ratio of +85% combined with high restoring force.
Q:Is customization available for size and markings?
A:
Yes, we provide OEM/ODM services. Sizes range from 4 1/2' to 20', and custom markings and colors (Red/Black/Green) are available.
Q:What is the lead time for production?
A:
The average lead time is 1-3 months for both peak season and off-season.

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