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Product profile
Customization
AvailableCertification
API ISOCentralizer Type
RigidModel NO.
Casing CentralizerStructure
RollerMaterial
CompositeType
CentralizerApplication
Casing CentralizerMaterials Available
Composite Polymer/CompositeTpye
Solid RigidCertificate
API ISOProcessing Type
Pouring/CastingSamples
AvailableTransport Package
Wooden CaseSpecification
3 1/2"-20", customizableTrademark
ZSOrigin
China(Mainland)HS Code
843143Production Capacity
100000PCS/YearKey features
Wide Size Range: Available in sizes from 4-1/2 inches to 20 inches for various casing applications.
Corrosion Resistance: Thermoplastic polymer material provides excellent resistance to corrosion in harsh environments.
Drag Reduction: Designed to effectively reduce drag force during casing running operations.
Multiple Material Options: Available in composite polymer, composite, casted steel, aluminum, and zinc materials.
API and ISO Certified: Certified under API 10D, ISO 14001, and ISO 9001 standards for quality assurance.
OEM and ODM Services: Full OEM and ODM services available with 8 dedicated R&D engineers.
Roller Structure Design: Features a rigid roller structure for enhanced stability and performance.
Global Export Experience: Exported to over 30 countries with 10 years of international trading experience.
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 is the size range for this centralizer?
A:
The centralizer is available in sizes ranging from 4-1/2 inches to 20 inches.
Q:What materials are used for the centralizer?
A:
Materials include composite polymer, casted steel, aluminum, and zinc.
Q:Does this product have API certification?
A:
Yes, it is certified under API 10D, ISO 14001, and ISO 9001.
Q:Can I get samples before placing an order?
A:
Yes, samples are available for testing and evaluation.
Q:Do you offer OEM and ODM services?
A:
Yes, we provide both OEM and ODM services with dedicated R&D support.
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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