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China's military lubricant implementation standards are not completely unified with the US military standards, and there is only a partial correspondence. Therefore, China does not have aircraft lubricants that fully meet the US military standard MIL-PRF-23699.

Gansu Province. Yumen Refinery was officially built in December 1957.The main production address of Kunlun No. 10 Aviation Hydraulic Oil is at Yumen Refinery, located in Yumen City.

Chinese-made fighters mainly use aviation hydraulic oil produced in China, of which No. 10 aviation hydraulic oil and No. 15 aviation hydraulic oil are the main ones. These two products are widely used in su-27/j-11, j-10, j-7 (F-7/mig-21) fighters, trainers, transport aircraft and some models of helicopters.

Most Russian-made fighters can use Chinese aviation lubricants. But not all models can be used. It is mainly the Russian fighters equipped in large quantities in China that can be used.