Photo: Freepik
China has become a significant military force in recent decades, but innovation isn’t the only factor driving this development. Reverse engineering, cloning, and outright copying foreign military technology form the basis of much of China’s defence expansion. China has frequently taken a shortcut by copying what already exists, particularly from the US and Russia, even though many other nations invest in R&D.
China and Russia have a long history of strategic cooperation. Following the fall of the USSR, Russia experienced economic instability in the 1990s and started selling China cutting-edge weapons. Russia used to supply more than 85% of China’s imports for its military.
The Sukhoi Su-27 fighter jets were one of the first contracts signed. China insisted on licensing production within its borders and bought two dozen. Beijing terminated the deal shortly after, saying the plane didn’t satisfy its requirements, and then introduced the Shenyang J-11B, a nearly exact replica.
China turned to Russia’s SU-33 for a carrier-based fighter. China was unable to purchase directly, so in 2001 it purchased a prototype from Ukraine. Shortly after, it created the J-15 “Flying Shark,” a fourth-generation fighter based on multirole carriers that bore a striking resemblance to the SU-33.
A significant Russian defence company acknowledged in 2019 that there had been more than 500 documented instances of illegal Chinese reverse engineering over the previous 17 years. These ranged from transport planes and air defence systems to jet engines and missiles.
Here’s a brief overview of copied Russian systems:
| Russian System | Chinese Clone | Category |
|---|---|---|
| Sukhoi Su-27 | Shenyang J-11B | Fighter Jet |
| SU-33 | J-15 Flying Shark | Carrier Fighter |
| S-300 Air Defense | HQ-9 / HQ-15 | SAM Systems |
| Antonov AN-12 | Shaanxi Y-9 | Transport Aircraft |
| 2S19 Msta-S | PLZ-05 | Self-propelled Howitzer |
| BM-30 Smerch | PHL-03 | MLRS |
| BMP-1 | WZ-501 | IFV |
During India’s Operation “Sindoor”, China’s HQ-9 system (a clone of Russia’s S-300) failed to intercept Indian attacks, revealing performance limitations. In contrast, Russia’s S-400, used by India, effectively neutralized threats from Pakistan.
Beyond Russian tech, China has mimicked various American platforms as well. These clones often appear shortly after major U.S. tech is deployed.
| U.S. Original | Chinese Clone | Type |
|---|---|---|
| UH-60 Black Hawk | Z-20 | Utility Helicopter |
| F-35 Lightning II | FC-31 (J-35) | Stealth Fighter |
| F-16 Fighting Falcon | J-10 | Multirole Fighter |
| X-47B UCAV | CH-7 | Stealth Drone |
| MQ-9 Reaper | Wing Loong / CH-4/5/6 | Armed Drone |
| C-17 Globemaster III | Y-20 | Heavy Transport Aircraft |
| E-2 Hawkeye | KJ-600 | AEW&CS |
When U.S. Navy SEALs raided Osama bin Laden’s compound in 2011, one of their stealth-modified Black Hawk helicopters crashed. The U.S. destroyed it on-site to prevent tech theft. But within just two years, in 2013, China unveiled the Z-20, eerily similar in design. Coincidence? Unlikely.
From drones to aircraft carriers, China’s defense portfolio has expanded rapidly — but much of it is based on reverse-engineered systems. In many cases, they didn’t just copy; they optimized. But the foundation remains foreign.
Reverse engineering offers China a fast, cost-effective way to match global defense capabilities without waiting for indigenous R&D. However, performance often lags behind original Western or Russian systems.
As China sells its cloned systems to other nations, the balance of power and arms competition becomes more complicated. For Russia and the U.S., it’s a wake-up call — not just to protect technology better, but to rethink export strategies and licensing terms.
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This post was published on June 25, 2025 6:10 AM
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