for the following products
4,4'-bis(N-Carbazolyl)-1,1'-biphenyl | 4,4'-bis-(Carbazol-9-yl)-biphenyl | CBP and 9,9'-[1,1'-Biphenyl]-4,4'-diyl-bis-9H-carbazole
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...
