Chengdu Lemeitian Pharmaceutical Technology Co., Ltd. is a science and technology service enterprise specializing in the basic research of traditional Chinese medicine (botanical medicine) and the supply of natural compounds and Chinese medicine reference substances. The company is located in NO.128 Haike Road West, Wenjiang District, Chengdu. the business area of the company is more than 4,000 square meters, including 1800 square meters of separation and purification laboratory area and 1200 square meters of synthetic laboratory area. It provides customers with overall solutions in related fields such as medicine, food, cosmetics and daily chemical products. The company is determined to build China's most efficient drug separation and purification and drug standard research service platform. As of August 2019, we have developed more than 2,500 natural product compounds, of which nearly 200 (still increasing) are calibrated according to the relevant technical requirements of national standard materials, fully meeting all research institutes, school institutes, pharmaceutical companies. Daily testing work requirements. The results of the use are consistent with the original reference substance of the Chinese inspector. At present, Chengdu Lemeitian has provided natural compounds and Chinese medicine reference substance for many medicinal plant researchers around the world, including L'Oreal Paris, Nestle, US Pharmacopoeia, European Pharmacopoeia, Japanese Pharmacopoeia, and Ho Chi Minh City Drug Testing Research.