Founded in 1973, BaiYunShan General Factory (BYS) is a well-known professional antibiotic-producing company and one of the top 100 pharmaceutical enterprises in China, is the biggest pharmaceutical industrial subsidiary under 北京赛车pk10开奖直播-首页_北京赛车pk10开奖历史【官方授权】    粤ICP备05009783号-2    Design by uweb