for the following products
5-(4-Chlorophenyl)-6-ethyl-2,4-pyrimidinediamine | 5-(4-Chlorophenyl)-6-ethylpyrimidine-2,4-diamine | Pyrimethamine and 2,4-Diamino-5-(p-chlorophenyl)-6-ethylpyrimidine
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...
