Yonggao and AD belong to the same company, and the two are closely related. According to public information, Yonggao joint stock company (stock code: 002641) is the core subsidiary of AD Plastic Industry Group Co., Ltd., founded in 1993. AD Group was established in 1983. It is a large enterprise group mainly engaged in plastic pipes, covering photovoltaic solar energy, intelligent equipment and other fields. As a core member of the group, Yonggao has long focused on the research and development, production and sales of plastic pipes. Its products include "AD" brand pipe fittings, which have won honors such as "China Famous Brand Product" and "China Famous Trademark".

about the "difference between Yonggao Pipeline and AD Pipeline", in fact, Yonggao shares have the same root and origin as the AD brand. In order to unify brand perception, Yonggao shares have gradually integrated their business under the "AD Pipeline" in recent years, so "Yonggao Pipeline" and "AD Pipeline" are essentially different stage names of the same enterprise. At present, the company has unified the "AD Pipeline" as the external brand and is committed to providing high-quality pipeline products and solutions to global customers.

in response to the question of "is Yonggao only AD Pipeline after renaming", Yonggao shares did make brand strategy adjustments during the development process, focusing on "AD Pipeline", but the company still involves diversified industries such as photovoltaics and electrical appliances. In addition, the common questions on the market "Is AD and Yonggao the same brand" "Has AD Pipeline changed its name to Yonggao", the answer is no - Yonggao is the core subsidiary of AD Group, and "AD Pipeline" is its unified brand. The two are not simply renamed, but the strategic coordination of the parent and subsidiary companies.