Shanghai YISA Biotechnology Co.,Ltd. Was founded in 2008.We are located in Pudong,Shanghai,Is a professional engaged in active pharmaceutical ingredients and pharmaceutical intermediates,raw materials for health’s research and development,production and sales in one of the high-tech enterprise. The company set up own R&D team and production base, has a group of experienced drug synthesis and craft research and amplification optimization,and with various universities’ research institutions have ...