Beijing Tsing Skywing bio tech co. ltd (abbreviated as Tsing-Skywing) is an expert company focusing on cell medium research and production, which drafted 《mammalian cell culture medium》（HG/T 3935-2007）, one of People's Republic of  China chemical industry standard. Tsing- Skywing is famous as technology and service in Chinese market, in pursuit for the strategy of technology advance and service proceeding. On the basis of the rapidly- developing cell medium technology,  especially for bioreactor application, the medium products of Tsing-Skywing not only hold the higher market share in mainland China, but also export other *ries and areas.

    Tsing-Skywing can yearly produce 60 tons powder medium in accordance with GMP in lots as large as 600 kilograms, which is manufactured in the wholly airtight system of mixing, weighing and package.