for the following products
1,2,3,4,10,14B-hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]benzazepine and Pyrazino[2,1-a]pyrido[2,3-c][2]benzazepine,1,2,3,4,10,14b-hexahydro-2-methyl-
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...