D&G Technology Holding Co. Ltd. engages in the manufacturing, distribution, research and development, and operating lease of asphalt mixing plants. It operates through the following segments: Sales of Asphalt Mixing Plants, Sales of Spare Parts and Modified Equipment, and Sales of Other Asphalt Specialty Equipment. The company was founded by Hung Nang Choi in February 1999 and is headquartered in Langfang, China.