RAHN AG

Pattern Recognition Systems (PRS) develops software, gives courses and does consulting work in the field of multivariate data analysis. This field is also known as chemometrics. PRS works in close relationship with the chemometric research group at t

For Every Role, in Every Business, Everywhere in the World VIAVI empowers network operators, equipment manufacturers, enterprises, government, aerospace, and railways with intuitive instruments, intelligence, and insights. We also help prote...

Liyang Qingfeng Fine Chemical Co., Ltd. was established in 1987, mainly producing m-chloroaniline (800 tons/year), 4,7-dichloroquinoline, sodium thiosulfate (300 tons/year), and phthalic anhydride