1 2 3 Shandong Yanshuo Chemical 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. Shandong Yanshuo 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-effective production of quality products, our mission is to find solutions for customers' pilot and scale demand. Our advantages: 1) High quality, reasonable price and excellent service. 2) We have our own chemical sub-package warehouse, can do ciq and supply hazardous cargo ..