Beijing Four Rings Biopharmaceutical Co., Ltd., former military enterprise(Beijing Four Rings Bio-engineering Products Factory) subordinated to Bio-engineering Institute of Military Medical Academy of Sciences, is a new high-tech enterprise integrating science, industry and trade as a whole. Founded in 1988, it has commited itself to the research, development, production and sales of bio-engineering technical products as one of the first group of gene engineering products manufacturers of MOH. After dozens of years of development, it has already had a staff of more than 120 people, 40% of which have college degree or above. It has a group of senior personnel specialized in management, marketing, R & D and production and factory buildings certified by GMP. What's more, it has introduced a complete set of imported production equipment, adopted advanced production techniques and set up perfect quality insurance system.