What is the lead time for production?

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

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Are samples available?

Yes, samples are available for this product.

API 10d 7" Slip on Single Piece Bow Spring Centralizer

Name: API 10d 7" Slip on Single Piece Bow Spring Centralizer
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 699452082

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$35.00

1-99 Pieces

US$34.80

100-499 Pieces

US$34.50

500-999 Pieces

US$34.00

1,000-4,999 Pieces

US$33.00

5,000+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO 9001:2000, ISO 9001:2008

Surface Treatment

Spray-Paint

Model NO.

4 1/2''-20''

Centralizer Type

Elastic

Structure

Slider

Material

Cast Steel

Type

Centralizer

Color

Red/Black

Size

4 1/2"-20"

Sample

Available

Drawing

Acceptable

ODM

Available

OEM

Available

Height

350mm

Bows

6PCS

Transport Package

Wood Cases

Specification

4 1/2"-20"

Trademark

zhongshi

Origin

China

HS Code

843143100

Production Capacity

5000PCS/Month

Key features

API 10D Compliance: Meets API Spec 10D specifications for bow spring casing centralizers.

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

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

Anti-Rust Coating: Undergoes special coating process to prevent rust and ensure durability.

Self-Locking Collars: End collars feature self-locking action for easy assembly and secure connection.

Customizable Sizes: Available in sizes 4 to 20 inches with special sizes available on request.

Flexible Shipping: Can be shipped in half-assembled condition to reduce storage and shipping costs.

Reinforced Collars: Reinforcing ribs stamped into end collars to preserve round configuration during transport.

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.