D&G Technology Holding Company Limited, together with its subsidiaries, engages in the research, development, manufacture, distribution, and leasing of asphalt mixing plants in the People's Republic of China and internationally. Its products include conventional and recycling hot-mix asphalt mixing plants. The company also engages in the selling of spare parts and components; and provides equipment modification services, including modifying conventional plants, installing components with recycling functions, upgrading control systems, and other customized services.