Chongqing Kalan Pharmaceutical Co., Ltd., located in one of the economic and technological development zones in Southwest China, is a young company specializing in organic chemistry and bioengineering. The company is dedicated to the development, production, and sales of pharmaceutical intermediates and active pharmaceutical ingredients (APIs), plant extracts, and fermentation products. Its core team consists of professionals from the Department of Biological and Pharmaceutical Engineering of Sichuan University and the West China School of Pharmacy, with guidance and support from professors and experts at the School of Chemical Engineering of Sichuan University, the West China School of Pharmacy, and the School of Pharmacy of Chongqing Medical University. In its early stages, the company focused primarily on exports. Through continuous communication and learning, it has established its own R&D and production platforms with a commitment to specialization and industrial development. Currently, it owns a self-built factory and laboratory covering several acres of land, along with joint production bases in locations such as Shifang, Sichuan. Our development direction is not only based on the team’s professional background but also leverages Chongqing’s status as one of China’s six major pharmaceutical industry bases, boasting a long industrial history, a comprehensive industrial foundation, and a rich talent pool. Chongqing ranks first in Western China in terms of annual API output value and export volume. Additionally, Chengdu, adjacent to Chongqing, serves as China’s industrial center for plant extracts. By leveraging the industrial advantages of both Chongqing and Chengdu, we are committed to professionalism, innovation, and dedication, striving to develop Kalan Pharmaceutical into a renowned pharmaceutical and chemical enterprise in China.