The company boasts a strong technological force with a state-level research and development centre with 150 intermediate and advanced technical staff and engineers engaged in the research and development work. The Double Coin heavy-duty radial tyre factory with state-of-the-art technology and fairly large scale have been established in the early 1990's in the Min Hang development zone. The output of all-steel radial truck tyres reached 1.3 million units per year .