for the following products
2-(3,4-Dimethoxyphenyl)-3,5,7-trimethoxychromen-4-one | Quercetin pentamethyl ether | Quercetin-3,5,7,3',4'-pentamethyl ether and 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3,5,7-trimethoxy-
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...