HENAN TINGYU INTERNATIONAL CO., Ltd is an enterprise specialized in production and sales of fine chemical products. We have: Our own manufacturing facility in the Chemical Industry Zone in Kaifeng,Henan,China. Not only can we research, develop and manufacture our own electronic chemical products and intermediates, we can also manufacture the products based on customers' specs. We have more than 100 manufacturers in China to provide us with ingredients and technology. That provides us with a stable and high quality source of supplies in fine chemicals (Pharmaceuticals, Dyestuff, Pigments, Agro-chemicals, Electronic Chemicals, Photochemicals Essence, Flavors ,Food & Feed Additives, etc.) We have built long term stable relationships with many trade partners in Japan, Europe, USA, South America, and African. With the strong support of many research institutes and university research facilities, we have the capability to develop new products, manufacture on demand , products upgrades and technology innovations. Employees have close to twenty years of international trade experience and chemical industry knowledge. We are specialized in: Products: Fine chemicals, Intermediates, Active Pharmaceutical Ingredients, Electronic chemicals, Dyestuff and pigments, Agro-chemicals, Photochemicals, Additives, Resins. Agent for various industries in the import and export business. Our mission statement: Provide the highest quality services to our customers in China and overseas, become the best intermediary for the suppliers in China and customers overseas, create win-win solutions for our customers and generate growth along with our partners. The main products: 1. 6-Hydroxy-2-naphthalene carboxylic acid CAS: 16712-64-4 2. 4,4'-Bis(chloromethyl)-Diphenyl CAS: 1667-10-3 3. p-Nitrobenzyl alcohol CAS.： 619-73-8 4. a-D-Glucopyranoside, methyl CAS: 97-30-3 5. 2,2-bis(4'-hydroxyphenyl)-4-methylpentane CAS: 6807-17 Piperidine Series 6. 4-Oxo-2,2,6,6-Tetramethyl Piperdine-1-Oxyl CAS: 2896-70-0 7. 2,2,6,6-Tetramethyl-1-piperidinyloxy (TEMPO.) CAS: 2564-83-2 8. 4-Amino-TEMPO,FREE RADICAL CAS: 14691-88-4 9. 4-Amino-2,2,6,6-Tetramethyl Piperdine-1-Oxyl CAS: 14691-89-5 10. L-Tryptophan CAS: 73-22-3 11. 2-Methyl-6-Nitro-toluidine CAS: 570-24-1 12. Olivetol CAS: 500-66-3 13. 3-Hydroxy pyridine z-oxide CAS: 6602-28-4 14. Manganous Carbonate CAS: 598-62-9 fluorescent brightening agent /optical brightener series 15. Optical Brightener OB CAS: 7128-64-5 16. Optical Brightener OB-1 CAS: 1533-45-5 17. Optical Brightener CBS-X CAS: 27344-41-8 18. Optical Brightener KCB CAS: 5089-22-5 ADDRESS: Lishui Town, Zhongyuan District, Zhengzhou City, Henan Province ，China PHONE: +86-371-88887275 FAX: +86-371-88887275