Welcome To Hangzhou Longshine Bio-Tech Co.,LTD Hangzhou Longshine Bio-Tech Co.,LTD. Providing products and services in pharmaceutical area, Longshine is an active company that connecting customers and suppliers. With the support of partners, flexible and multi-use workshops, good facilities meeting FDA, cGMP, lab to pilot to industrial scales of synthesis capacities, and strict quality and tech service system, we grow into a reliable supplier of quality products. BAYER, GSK are on our