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 passed 900-hour continuous testing with 40% higher wear resistance, suitable for extreme Middle Eastern conditions. This collaboration is expected to boost Kehua’s export volume by 30% in 2025.
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