Hangzhou Hengyuan Chemicals co.,ltd. has more than 15 years of experience in the manufacturing and exporting of Active Pharmaceutical Ingredients (API);API intermediates,Dyestuffs, Dyestuffs intermediates, Pigments and food additives, with a annual export value of more than USD20,000,000 and with clients in over 20 countries and regions across the world. As one of the biggest manufacturers and distribtors of Chemical products in China, we have earned a solid reputation in many countries over 15 years development. With the vision to engage in mutually beneficial partnerships, and provide professional service, we have established stable and long-term business alliances with many well-known chemical enterprises, both at home and abroad. Our company is committed to constant improvement of business performance through diligent and honorable efforts. We consciously and energetically Develop our international business activities to foster and improve mutual understanding among customers from all over the world. Quality first is our principle for all of our products, please do not hesitate to contact us if you found any interested products on our product list, we look forward to your detailed inquiries. We welcome friends from all over the world to cooperate with us!