for the following products
Cyclic-3-(1,2-ethanediylacetal)-17b-cyano-17a-hydroxy-estra-5(10),9(11)-dien-3-one and 17-Hydroxy-3-oxoestra-5(10),9(11)-diene-17beta-carbonitrile cyclic ethylene acetal
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...
