Contact Us

Head office:5th Floor Building 7 A 11 Kaiyuan Avenue, Guangzhou, Guangdong ,CN
Manufactory: Fine chemical Industrial area ,Laocheng Town,Dingnan County,Ganzhou City,Jiangxi Province,CN

Vincent Xu
Ph:+86-0-186 7163 9773
Yolanda Wu
Ph:+86-0-181 5508 6338
Tianyi Chen
Ph:+86-0-188 1927 6151
Davis Zhang
Ph:+86-0-159 1973 5321



Company Profile

About Us


Chem-Stone (Guangzhou)Co., Ltd.  Is a high-tech enterprise develop,producing and selling API and intermediates.we are focusing on the series of non-ionic contrast medium,ionic contrast medium,anti cancer,cardiovascular and so on.


Head-office and R&D center local on technical company accelerator Huangpu District ,Guangzhou City,occupies 2,100 square feet.In accordance with international standards, a number of drug synthesis laboratories and kilogram grade Lab-scale laboratories and testing centers have been established.At the same time our strong  R&D team ,  quality and production system can ensure that we can supply professional service of CMO/CDMO for our customers.


Ganzhou kangruitai Co., Ltd. a wholly-owned subsidiary of Chem-Stone, is located in the Fine Chemical Industry Park of Dingnan County, ganzhou City, Jiangxi Province, covering an area of 40 acres. The factory includes three synthesis workshops, a hydrogenation plant, a solvent recovery plant and ancillary facilities. It is equipped with corresponding office, warehousing, water supply, power supply, sewage treatment center, etc.


Since its establishment, the company has established a professional production,R&D, quality and sales team, forming a development model with a series of products such as contrast agents as the core and CMO/CDMO services with distinctive responses. At present, it has become one of the world's largest manufacturers of cyclopropyl bromide, Cyclen, TOBO and 3-oxetane series.



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