What is the sealing capacity of the collar?

The sealing capacity is rated at 25 MPa for the standard sizes.

Where is the product manufactured?

The product is manufactured in Puyang, Henan, China, with a plant area of 52,000 square meters.

What certifications does the company hold?

The company holds CCC certification and has been in operation since December 1997.

Oilfield Drilling API Mechanical Two Stage Cementing Collar

Name: Oilfield Drilling API Mechanical Two Stage Cementing Collar
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 714943852

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

US$500.00-2,000.00

1 Piece

Product profile

Customization

Available

Use

Well Drilling

OEM

Avaliable

Model NO.

Stage Cementing Collar

Sample

Avaliable

Stage Collar Type

Mechanical

Transport Package

Wooden Case

Specification

5 1/2"-13 3/8"

Trademark

Origin

Henan

Key features

Two-Stage Cementing Capability: Allows cementing of casing string in two distinct stages for complex well operations.

Compact and Simple Design: Minimizes moving parts for easier handling and reduced mechanical failure risk.

Clear Surface Indications: Provides clear opening and closing indications to accommodate hydraulic conditions safely.

Reduced Pumping Pressure: Internal sleeves reduce total pumping pressure required for long casing strings.

Wide Size Range: Available in sizes from 5-1/2 inches to 13-3/8 inches to fit various well requirements.

High Reliability: Built-in features prevent premature opening and ensure proven technology for low-risk drilling.

OEM and ODM Services: Customization services available including OEM and ODM for tailored manufacturing needs.

Manufacturer Direct: Direct from manufacturer with 8 R&D engineers and extensive production capacity since 1997.

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.