Kehua Precision Casting Technology Debuts at 2025 World Foundry Conference to Promote Green Manufacturing

The 16th World Precision Casting Congress (WCIC 2025) opened in Kobe, Japan, focusing on “Precision Casting Promoting Sustainable Social Development”. Qingdao Kehua Petroleum Machinery exhibited high-precision castings for petroleum equipment, including turbine compressor components and high-pressure valves. Kehua’s castings utilize automated production lines and 3D printing technology, with tolerances within ±0.05mm. The company recently registered […]
The global jack market grew by 4.7% annually, and Kehua hydraulic jacks made breakthroughs in polar applications.

The global portable jack market is expected to grow at a CAGR of 4.7%, reaching CNY 20.68 billion by 20317. Qingdao Kehua Petroleum Machinery developed hydraulic jacks resistant to -50°C for polar drilling applications, using special alloy steel and sealing technology. These jacks are certified by GOST-R and exported over 500 units to Russia in […]
China’s five-cylinder mud pump wins first Middle East order, Kehua’s accessories technology helps deep well drilling

China’s independently developed ZJ90DB ultra-deep well drill and QDP-2600HP five-cylinder mud pump have been shipped to the Middle East, marking a breakthrough in overseas markets for high-end domestic equipment. Qingdao Kehua Petroleum Machinery, as a core supplier of mud pump parts, provided key components such as high-wear-resistant liners and valve assemblies. Kehua’s bimetallic liner technology […]
Science Popularization of Shell Molding Casting

Shell molding casting is a modern precision casting technique, widely applied in the production of medium…
Introduction to Static Load Test Jack

The Static Load Test Jack is a crucial device used in structural engineering for load-bearing testing…
Basic Knowledge of Mud Pumps

Mud pumps play an extremely critical role in drilling operations. Simply put, they are responsible for injecting drilling…
Resin Coated Sand & Centrifugal Casting Drive High-Performance Oilfield Equipment

With the continuous advancement of global oil exploration and drilling technology…
The Key Role of Static Load Test Jacks in Engineering & Oil Industry

Recently, with the continuous growth of global infrastructure construction and oil drilling projects…
Global Oil & Gas Industry Recovery Boosts Demand for Mud Pump Liners

With the recovery of the global energy market, oil drilling activities are increasing…
Valve Body and Valve Seat in Mud Pump Accessories

The valve body and valve seat are crucial components in mud pumps, primarily responsible for controlling…