1997 is a joint venture with American dadong enterprise, officially registered as Kunming Dianhong Pharmaceutical Co., Ltd., a Sino-US joint venture, and the holding company is Yunnan Dianhong Pharmaceutical Group Co., Ltd.
Kangwang, the registered trademark of Dianhong Pharmaceutical, was recognized as a well-known trademark in China in 2006 1 month. At the end of the same year, Kang Wang brand was rated as the top three brands of external preparations in China by China OTC Drug Association. In 2007, Kang Wang was even listed as "Top 500 Most Valuable Brands in Asia".
Dianhong medical skin care product "Winona" was officially put on the market in 2008.
20 14 On February 27th, Bayer Group announced the acquisition of all the shares of Yunnan Dianhong Pharmaceutical Group.