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Premium Oilfield Cementing Equipment

API-certified casing centralizers, float equipment, cementing plugs, heads, and stage collars. Trusted by oil & gas operators in over 30 countries worldwide.

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About Zhongshi Group

A trusted leader in oilfield cementing solutions with nearly two decades of manufacturing excellence.

Zhongshi Factory

Restructured from SINOPEC in 1997, Puyang Zhongshi Group Co., Ltd has over 19 years of manufacturing experience in petroleum machinery products. We specialize in high-performance casing accessories including bow spring centralizers, solid rigid centralizers, float equipment, and cementing plugs.

With competitive pricing and strict adherence to international standards, Zhongshi has become a preferred supplier for oil and gas operators across North America, South America, the Middle East, and Southeast Asia.

19+
Years Experience
30+
Countries Served

Our Product Range

Comprehensive selection of API-certified cementing tools designed for reliability, performance, and safety in demanding well environments.

Casing Centralizer

Casing Centralizer

  • Bow Spring Centralizer
  • Solid Rigid Centralizer
  • Roller & Rotating Types
  • Composite & Hinged Models
Float Equipment

Float Equipment

  • Double Valve Float Collar
  • Stab-in Float Shoe
  • Non-Rot & Aluminum Valve
  • Cement Float Collar/Shoe
Cementing Head

Cementing Head

  • Top Drive Rotating Head
  • Single & Double Plug Heads
  • Ultra High Pressure Models
  • Drill Pipe & Circulating Heads
Cementing Plug

Cementing Plug

  • Conventional Cementing Plug
  • Non-Rotating Plugs
  • HNBR & Composite Materials
  • High-Pressure Sealing
Reamer Shoe

Reamer Shoe

  • Tungsten Carbide Blade
  • Eccentric Nose Design
  • High-Strength Alloy Steel
  • Anti-Clogging Features
Stage Collar

Stage Collar

  • Mechanical Stage Collar
  • Hydraulic Two-Stage Type
  • Reliable Actuation System
  • High-Pressure Integrity

Stop Collar

  • Hinged with Spiral Nails
  • Set Screw & Bolt Types
  • Slip-On Heavy Duty
  • Wire Bristle Scratcher

Cable Protector

  • Cross Coupling Protector
  • Punching Type
  • ESP Impeller Diffuser
  • Wellbore Cable Wiper
View Full Product Catalog

Why Our Products Excel

Engineered for performance, durability, and compliance with the highest industry standards.

API & ISO Certified

Certified under API 5CT, 6A, 10D, 11AX, 11E, ISO 14001, and ISO 9001 standards for quality and environmental management.

Advanced Manufacturing

9 dedicated factories, 500+ skilled employees, and state-of-the-art production equipment ensure consistent quality and scalability.

Global Export Experience

Over 10 years of exporting to 30+ countries including USA, Canada, Russia, Venezuela, UAE, Saudi Arabia, and Indonesia.

Reliability & Safety

Engineered for high-pressure, high-temperature environments with fail-safe designs to ensure well integrity.

Custom Solutions

Capable of manufacturing custom cementing tools based on client specifications and field requirements.

Competitive Pricing

Direct factory pricing with no middlemen ensures cost-effective solutions without compromising quality.

Our Global Impact

A proven track record of excellence in manufacturing and customer satisfaction.

19+
Years of Experience
9
Manufacturing Facilities
500+
Employees
30+
Countries Served

Trusted by Industry Leaders Worldwide

North America South America Middle East Asia Pacific CIS Region Africa

Frequently Asked Questions

What certifications do your products have?

Our products are certified under API 5CT, 6A, 10D, 11AX, 11E, ISO 14001, and ISO 9001 standards. We maintain strict quality control throughout the manufacturing process to ensure compliance.

Can you manufacture custom cementing tools?

Yes, we offer custom manufacturing services based on client specifications. Our engineering team can work with your requirements to develop tailored solutions for unique well conditions.

What is your production capacity and lead time?

With 9 factories and over 500 employees, we have substantial production capacity. Standard lead times range from 15-30 days depending on order volume and complexity.

Which countries do you export to?

We have exported to more than 30 countries including the United States, Canada, Russia, Venezuela, Colombia, Thailand, Indonesia, UAE, Saudi Arabia, and Kazakhstan.

What payment terms do you accept?

We accept various payment methods including T/T (Telegraphic Transfer), L/C (Letter of Credit), and other secure international payment options. Terms can be discussed based on order size and customer relationship.

Get in Touch

Contact us for product inquiries, quotations, or technical support.

Contact Information

Address
Mazhuangqiao Industry Zone, Puyang City, Henan Province, China.
Visit Official Website to Contact

Send Us a Message

For product inquiries, technical questions, or partnership opportunities, please visit our official website to submit your request.

Contact via Website

We respond to all inquiries within 24-48 business hours.

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