for the following products
4-Methyl-3-amino-2-(methoxycarbonyl)-4,5-dihydrothiophene and 2-Thiophenecarboxylic acid, 3-amino-4,5-dihydro-4-methyl-, methyl ester
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...
