for the following products
2,2'-Dihydroxy-4,4'-dimethoxy benzophenone-5,5'-disodium sulfonate | 2,2'-Dihydroxy-4,4'-dimethoxybenzophenone-5,5'-disulfonic acid sodium salt | Benzophenone-9 | Benzophenone-9-d5 | Disodium-2,2'-dihydroxy-4,4'-dimethoxy-5,5'-disulfobenzophenone and 3,3'-Carbonyl-bis[4-hydroxy-6-methoxybenzenesulfonic acid sodium salt (1:2)
Located in Hangzhou National Hi-Tech Industrial Development Zone, Hangzhou Zhongqi Chem Co.,Ltd is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries.
Our advantage :
1.We do not simply provide chemicals, we provide chemical solutions and expertise;
2.We have trained, highly effective team to solve the problem at the first time;
3.Our QMS (quality management system) ensures the product quality strictly;
4.Strong rese...
