HANGZHOU TIANYE CHEMICALS CO., LTD. is a high-tech enterprise who specialized in research, development, production, and trade of chemicals. Since 2009, we have provided various chemical products to customers around the world. Our Certificate: ISO 9001 and ISO 14001 Our Culture: Customer First, and provide customers with all-round and high-quality services. We will the reliable partner along with you! Our Service: We can provide customers with small quantities with gram level for laboratories research to tonnage level for industrial production. And synthesis capacity from 1 liter to 5000 liter is available. Our Focus: Active pharmaceutical ingredients (API ) Intermediate of API Electronic chemicals Catalyst