What certifications does the product have?

The product has ISO certification. The company also holds CCC certification.

What are the main applications of these valve balls and seats?

They are mainly used for sealing valves in oil pumps for sand containing wells, viscous oil wells, sea oil wells, and high pressure sulfur resistant oil wells.

Is customization available for specifications?

Yes, ODM and OEM services are acceptable. Various grades and specifications can be supplied according to customer drawings.

V11-175 Stainless Steel API Valve Balls and Valve Seats

Name: V11-175 Stainless Steel API Valve Balls and Valve Seats
Brand: Puyang Zhongshi Group Co., Ltd.
SKU: 703835132

Henan, ChinaPuyang Zhongshi Group Co., Ltd.

Negotiable

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO

Surface Treatment

Polishing

Model NO.

V11-175

Temperature

High Temperature

Pressure

High Pressure

Material

Stainless Steel

Type

Straight-Way

Sample

Available

Main Material

Stellite

Material 1

Tungsten Carbide

Material 2

Titanium Carbide

Material 3

Stainless Steel

Spec

V11-175/V11-225/V11-250

ODM

Acceptable

Transport Package

Wood Cases

Specification

V11-125/V11-175/V11-225/V11-250

Trademark

zhongshi

Origin

Henan, China

HS Code

84314310

Production Capacity

2000PCS/Month

Key features

High Wear Resistance: Excellent abrasive resistance with high strength and precision for harsh environments.

Corrosion Resistant: Suitable for high pressure sulfur resistant oil wells and viscous oil applications.

Custom Material Options: Available in Stainless Steel, Tungsten Carbide, Titanium Carbide, and Cobalt Alloy.

OEM/ODM Service: Acceptable customization with ODM and OEM services available for specific needs.

High Temperature Tolerance: Designed to withstand high temperature conditions in petroleum industry applications.

Precision Manufacturing: Accurate grinding and polishing ensure low frictional factor and high dimensional tolerance.

Wide Application Scope: Used in ball-bearing, seat valve, flow meters, and high-end industrial machinery.

Multiple Grade Options: Various cemented carbide grades supplied according to customer drawings and requests.

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.