1, Yunnan Shi Sheng Dean Biotechnology Co., Ltd. was established in 2000, and has been engaged in the agent sales and after-sales maintenance service of medical inspection equipment and reagent consumables. It is a pharmaceutical cold chain verification company.

2. Yunnan Gankan Environmental Technology Co., Ltd. is located in Kunming, Yunnan, mainly engaged in: cold storage installation, cold storage design, cold storage verification, cold storage maintenance, drug cold storage, fresh storage, cold storage, incubator verification, drug cold chain transport box, and cold storage installation of temperature and humidity recorder.