深圳市延养堂医药有限公司

Chinese pharmaceutical sales company in Shenzhen, Guangdong acting as the mainland market sales company of Wai Yuen Tong Medicine of Hong Kong. Wai Yuen Tong was founded in 1897 in the twenty-third year of the Guangxu reign with traditional medicine formulas passed down through generations, moved from Guangzhou to Hong Kong in the 1950s and formally registered its trademark there in 1979, and produces quality Chinese patent medicines from premium herbal materials using its traditional formulas.