The production base of Guizhou Province Fenggang County Langzhu Tea Co., Ltd. is located in the core tea production area of Fenggang county. It is an enterprise integrating tea production and processing, sales, export trade and tea tourism. The company adheres to the production and management concept of "people-oriented, quality first, safety and health, honesty and trustworthiness". The production, processing and packaging of organic tea should be carried out in strict accordance with the ecological model standard of organic tea. The company has produced more than 10 varieties of "Langzhu" brand Chen's Handmade tea, Chunya tea, cuiya tea, Maofeng Tea, Maojian tea, Hongjian tea, Xiangzhu Yuye, etc., which are rich in natural zinc and selenium. It has formed a business management service system from production, processing and sales.

The company has more than 4000 mu of organic tea garden base, 2 modern, clean and large-scale tea processing plants, with an annual output of more than 300000 kg.