1, yonggao co., ltd: the company was established in 1993, and is the chairman of the plastic pipeline professional committee of China Plastics Processing Industry Association, and also the core subsidiary of A.D. Group, specializing in the research, development, production and sales of plastic pipeline products, and is a comprehensive supporting service provider for urban and rural pipe network construction.
2. Jinniu Pipe Industry: Wuhan Jinniu Economic Development Co., Ltd., a private high-tech enterprise, was established in 1999, located on the beautiful bank of the Han River, and developed and produced five categories of 13 series products based on pipelines and complete sets of technologies. Jinniu series products have been widely used in water supply, heating, central air conditioning and ground, including CCTV.