for the following products
Phenolphthalein diphosphate tetrasodium salt hydrate and 1(3H)-isobenzofuranone,3,3-bis[4-(phosphonooxy)phenyl]-, sodium salt, hydrate (1:4:)
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...
