Premium Mud Pump Liners Trusted Worldwide
With over 30 years of experience, LONGCHAO delivers high-performance, OEM-compatible mud pump liners that ensure durability, precision, and global compatibility across the toughest drilling environments.
For High Quality Mud Pump Parts
BI-METAL LINERS
High-strength liners built for heavy-duty drilling—wear-resistant, API 7K compliant, and long-lasting.
mud pump ceramic liner
Premium mud pump ceramic liner offering ultra-high wear resistance, reduced friction, and extended service life for demanding drilling conditions.
Mud Pump Pistons
Durable, high-performance pistons designed for consistent sealing, abrasion resistance, and long service life in high-pressure mud pumping operations.
mud pump piston
Precision-engineered for superior sealing and wear resistance, our valve and seat sets ensure reliable performance in high-pressure mud pump systems.
Fluid End Module
Crafted from premium alloy steel, our fluid end modules offer exceptional strength, corrosion resistance, and extended service life—perfect for demanding drilling environments.
Fluid End EXPENDABLES
High-wear components built for durability and easy replacement, ensuring optimal mud pump performance and reduced downtime.
EXPERTISE BUILT ON 30 YEARS OF LINER MANUFACTURING
We are committed to precision, performance, and long-term value. Our products meet the highest quality standards in the industry.
Founded in 1980, LONGCHAO has grown into China’s leading mud pump liner manufacturer with over one million units delivered globally. Our liners are compatible with major OEM brands and are trusted by top drilling contractors across North America, the Middle East, and Europe. Every product is engineered in-house to ensure unmatched durability and reliability in demanding oilfield environments.














Why Choose us
Serving the global oil & gas drilling industry since 1994

Full-cycle service guarantee system with 24-hour response

ISO9001 standard and API7K certification, full control of raw materials to production process

Building long-term cooperative relationships with transparent cooperation and fulfillment of commitments as the core

Strong technical research team, awarded with many patents

Building a brand moat through transparent operations and social commitments
Global Supplier of Premium Mud Pump Liners
With over 30 years of expertise, LONGCHAO delivers OEM-compatible mud pump liners to drilling contractors in more than 30 countries. Our liners are engineered for durability, precision, and performance in the world’s toughest oilfields.



OUR SERVICE COMMITMENT & QUALITY STANDARDS
- We support full customization for mud pump liners, meeting global standards and specific client requirements.
- All components are produced in-house with rigorous testing to ensure zero leakage, high wear resistance, and perfect compatibility.
- Thanks to our strong capacity—3000pcs/month—we ensure short lead times and stable delivery to 30+ countries.
- Our experienced team offers responsive communication, technical guidance, and post-sale support to help you succeed in every project.

