What payment terms are accepted?

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

Do you offer OEM and ODM services?

Yes, both OEM and ODM services are available.

What is the main usage of this drill collar?

It is mainly used for well drilling to provide required drilling pressure and centralize the drill bit.

8" Reg

Name: 4145h Slick Drill Collar 9 1/2 with 7 5/8" Reg
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 2124914622

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$2,000.00

1 Piece

Sample price:US$10000.00/piece.Request sample

Product profile

Customization

Available

Customized

Surface Treatment

Spray

Model NO.

Type

Spiral Drill Collar

Usage

Well Drilling

Material

Structural Alloy Steel 4145h

Transport Package

Steel Frame

Specification

6 1/2"-NC46

Trademark

Origin

China(Mainland)

HS Code

843143

Production Capacity

100000PCS/Year

Key features

API Spec 7-1 Compliance: Manufactured strictly according to API Spec 7-1 specifications for quality assurance.

Customized Production: Can be produced upon customers' specific requirements.

Advanced Heat Treatment: Material 4145H undergoes heat-treatment and thread hardening for durability.

Anti-Seize Protection: Surface treated with phosphating to provide better anti-seize properties.

Structural Alloy Steel: Constructed from high-strength 4145H structural alloy steel.

Spiral Design: Spiral drill collar type designed for optimal drilling performance.

OEM and ODM Services: Full OEM and ODM services available for custom manufacturing needs.

Manufacturer Direct: Direct from manufacturer with 8 R&D engineers and extensive production capacity.

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.