Hangyu Biotech is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. Zibo HangYu Chemical consists a team of professional analytical department complete QC&QA under strict SOPs, experienced sale and after-sale service, efficient logistic support. We work closely together with our pilot plant and production team to assure timely and cost-effect...