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Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1 YearModel NO.
7"Material
Carbon Steel, 35CrMoModel
Fg-FzqCondition
NewColor
Red, Blue or as RequestedTransport Package
Wooden Cases, or According to Customer's RequestSpecification
APITrademark
zhongshiOrigin
Henan, ChinaHS Code
8431Production Capacity
1000pieces Per MonthKey features
API and ISO Certified: Product meets strict API and ISO certification standards for quality assurance.
Drillable Aluminum Alloy: All inner parts constructed from easily drillable aluminum alloy for efficient removal.
Reliable Leakproof Structure: Back-pressure design enables grout flow with minimal resistance while preventing leaks.
Customizable Colors: Available in Red, Blue, or custom colors as requested by the customer.
Wide Size Range: Standard sizes from 4 to 20 inches with special sizes available upon request.
Multiple Valve Types: Options include single/double valve, spring/ball structure, and insert/normal types.
Non-Rotating Plate Option: Non-rotating landing plate is available on request for specific operational needs.
OEM and ODM Services: Full OEM and ODM services available with 8 dedicated R&D engineers.
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: ≤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.
Product Q&A
Q:What certifications does the product have?
A:
The product is certified under both API and ISO standards.
Q:What materials are used for the inner parts?
A:
All inner parts are made of easily drillable aluminum alloy.
Q:Can the product be customized?
A:
Yes, we offer customization for colors (Red, Blue, or as requested), special sizes, and non-rotating landing plates.
Q:What is the warranty period?
A:
The product comes with a 1-year warranty.
Q:What types of valves are available?
A:
Available types include single and double valves, spring and ball structures, insert and normal types, and non-rotating options.
Send Inquiry
*To:
Puyang Zhongshi Group Co., Ltd.
Puyang Zhongshi Group Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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