About Us
Company Profile
China Ousun Corporation (brand: OUSUN) is an API-certified manufacturer of mud pumps and drilling equipment, serving as a primary OEM supplier for SINOPEC and Honghua. Operating our own dedicated manufacturing facility from the Guanghan Petroleum Equipment Base in Sichuan — China's largest petroleum equipment cluster — we provide international clients with seamless factory-direct access, customized export solutions, and comprehensive after-sales support.
Core Qualifications
Strategic Location
Located in Deyang, Sichuan — China's largest petroleum equipment manufacturing base.
Just 3 km from Honghua Group, ensuring a fully integrated and robust supply chain.
Long-term OEM partnership with SINOPEC and major domestic drilling contractors.
Production Facility
Machining Capabilities
CNC Lathes
For large-scale precision machining of heavy components.
CNC Machining Centers
Dedicated precision milling for fluid end modules.
Boring & Milling Machines
For complex pump housings and crankcases.
Heat Treatment Furnaces
In-house controlled atmosphere heat treatment.
CMM Inspection
Coordinate measuring machines for precision verification.