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How China’s home-grown WS-10 engine helped make the country a modern air power

As China marks the 20th anniversary of completing its first domestically developed high-thrust turbofan engine for fighter jets, the WS-10 – Woshan-10, meaning Turbofan-10 –…

By Samantha Johnson / May 31, 2026
As China marks the 20th anniversary of completing its first domestically developed high-thrust turbofan engine for fighter jets, the WS-10 – Woshan-10, meaning Turbofan-10 – continues its crucial role in the People’s Liberation Army (PLA).

The WS-10 turbofan engine was code-named Taihang after the famous Chinese mountain range.

The Taihang engine family serves as the backbone of the PLA’s major active combat fighters, powering fourth-generation jets such as the J-10C, the J-11B, the air force’s J-16 and the navy’s carrier-based J-15. It has also played a vital role for variants of the fifth-generation J-20 stealth fighter.

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In addition, the WS-10 drives China’s export-oriented jets, including the J-10CE.

A historic milestone for China’s aviation industry, the WS-10 series represented a major success in self-sufficiency, laying the groundwork for phasing out dependence on Russian engine imports for its frontline fighter fleet.

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Before the maturation of the Taihang engine, production of China’s modern fighters – such as the J-11, J-16 and even the early J-20 – was entirely dependent upon Russia’s AL-31 production capacity and export licensing, creating a significant and dangerous supply-chain bottleneck.

The maturation of the WS-10 enables unconstrained, mass-scale production of various types of advanced fourth and fifth-generation combat aircraft.

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