Premium Casing Tools for Oil & Gas
API Certified Manufacturer Since 1997 | Centralizers, Cementing Heads, Float Equipment, Pumping Units & More
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API Certified Manufacturer Since 1997 | Centralizers, Cementing Heads, Float Equipment, Pumping Units & More
Puyang Zhongshi Group Co., Ltd., restructured from Zhongyuan Oilfield of SINOPEC in 1997, has over 25 years of manufacturing experience in petroleum machinery. We specialize in high-quality casing tools including centralizers, cementing equipment, float collars, and pumping units.
As an API certified manufacturer, we ensure every product meets international standards for performance, safety, and durability in demanding oilfield environments.
High-performance oilfield tools engineered for reliability and efficiency in casing, cementing, and production operations.
Reliable back-pressure control during cementing operations. Ensures proper cement placement and prevents backflow.
Designed for precise cement slurry displacement. Features dual plug chambers for efficient top and bottom plug release.
Ensures optimal casing centralization in vertical and deviated wells. High elasticity and collapse resistance.
Heavy-duty pumping unit for artificial lift systems. Meets API 11E standards for performance and safety.
High-strength rods for reciprocating rod pump systems. Available in various grades and lengths.
Enables multi-stage cementing operations. Provides reliable isolation between casing sections.
Lightweight, non-metallic centralizer ideal for corrosive environments and composite tubing applications.
Precision-machined couplings for seamless connection of casing and tubing strings. API 5CT compliant.
Prevents cement backflow and provides zonal isolation during primary cementing. Installed on casing string.
Combines float shoe and reaming functions. Facilitates casing running in tight or damaged hole sections.
Reduces drag and torque during casing running in highly deviated or horizontal wells. Enhances placement accuracy.
Prevents rod wear and tubing contact in deviated wells. Extends run life of rod pump systems.
All products meet API specifications for quality, safety, and performance in oilfield applications.
Decades of expertise in manufacturing casing tools and petroleum machinery for global clients.
Reliable logistics network delivering high-quality tools to oilfields worldwide.
High-value solutions with cost-effective pricing without compromising on quality.
Yes, all our casing tools and equipment are manufactured in compliance with API standards and undergo rigorous quality control.
Standard lead time is 15-30 days depending on product type and order volume. Custom orders may require additional time.
Yes, we provide OEM and custom design services for casing tools based on client specifications and field requirements.
We ship globally to North America, South America, Europe, Middle East, Africa, and Asia-Pacific regions.
Contact our sales team for product inquiries, quotes, or technical support.
For full product details, specifications, and ordering information, please visit the official website.
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