Decai Shi Instrument Equipment (Beijing) Co., Ltd. is a wholly-owned subsidiary of Christ/Sigma, a German company established in China. Its Christ freeze dryer and Sigma centrifuge have been in the Chinese market for nearly 30 years, and have gained a large number of loyal users in the fields of scientific research, teaching, and R&D production in the Chinese market.

Martin Christ Freeze Drying Equipment Co., Ltd. plays an important role in the development and manufacturing of freeze drying equipment. The company has nearly 80 years of experience in product design and manufacturing, and its products are distributed worldwide. With the combination of advanced manufacturing techniques and constantly innovative design concepts in Germany, Christ Company is not only a manufacturer of vacuum drying equipment, but also a partner for numerous pharmaceutical research and development institutions and industrial users.

Sigma Centrifuge Company is one of the well-known professional centrifuge manufacturers, specializing in the research and development and production of centrifuge products. Since 1948, it has nearly 80 years of centrifuge research and development and production history. In addition to conventional centrifuges, it can also provide various characteristic products such as heating type, inert gas filling type, clean room type, water-cooled type, etc. Its application fields include drug research, biotechnology, medical testing, environmental analysis, and petrochemicals.