Hangzhou Linan Tianhong Biological Technology Co., Ltd. is a biological high-tech enterprise, mainly engaged in the research, development, production and sales of natural plant extracts, new environmentally friendly wood preservatives and other products. The company is committed to the cause of human health and environmental protection, "collecting natural resources to create high-end boutiques, satisfying customer needs with leading quality." The company's high-end technology R & D department and marketing center are located in the Linshan Qingshan Economic Development Zone, Zhejiang Province, with a superior geographical location, beautiful environment and convenient transportation. Relying on the talents, technology and scientific research advantages of Zhejiang Forestry College, it cooperates closely with it and makes full use of the natural medicine resources in Linan and its surrounding areas. At present, the company mainly has two types of products. The main products of botanical medicines are: active monomers such as Rubescensine A, Azadirachtin and Sulforaphane, extracts of bayberry leaves, saffron, ginkgo, green tea and dogwood. Wood and bamboo preservative products: New environmentally friendly wood and bamboo preservatives have been developed and have mass production capabilities. With strong technical force, advanced testing methods and perfect quality control system, aggressive and continuous innovation, the company is willing to cooperate sincerely with domestic and foreign merchants, establish long-term and stable cooperative relations, and seek greater development together. "Green, environmental protection" is our aim, "reliable quality, excellent service" is our commitment to each customer, create a world-class health products industry enterprise, work hard for human health, and share the natural green Healthy products!