for the following products
(S)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyridine-(1,2,3-de)-1,4-benzoxazine-6-carboxylic acid | 8,9-Difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3alpha-aza-phenalene-5-carboxylic acid | Levofloxacin acid | Levofloxacin carboxylic acid and 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-(3S)-
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...
