Huan Hong Tong

Part of Holley Group Co. Ltd., Holley Pharmaceutical Group Co., Ltd. is a Chinese diversified company that invests in various industries such as healthcare, clean energy, and innovation services. The company was founded in 1996 and is based in Hangzhou, China. The company's history dates back to 1970 when it was established as a small-scale producer of electric energy meters. Over the years, it has grown to become the largest enterprise in the domestic electrical instrument industry. The company has since diversified its investments and ventured into various industries, including traditional Chinese medicine, prescription drugs, and precision medical services. The CEO is Si Yang Wang.