Hangzhou Kefik Chemical Co., Ltd

Beijing University of Aeronautics and Astronautics (Beihang University for short) was established in 1952. It is a multidisciplinary, open, and research-oriented university with aerospace characteristics and engineering technology advantages. It shou

Established in 1941 by JR "Rock" Prentice as "American Breeders Service" has ABS since become a strong market partner in the dairy and beef cattle and influenced the development of artificial insemination in cattle crucial.