Chem-Stone（Guangzhou） Co.,Ltd. is a high-tech enterprise, integrating R&D, production and sales of API and intermediates. We focus on the production of ionic and non-ionic contrast agent series,series of anti cancer,cardiovascular and other series of active pharmaceutical ingredients and intermediates.

Our headquarters and R&D center are located in Guangzhou, China, covering an area of 2100 square meters. In accordance with international standards, it has established several drug synthesis laboratories and several kilogram-level laboratories and testing centers. At the same time, we have a strong research and development system, and have obtained ISO9001 / ISO14001 / OHSAS18001 certification, providing customer with professional CMO/CDMO service.

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

Since its establishment, we has set up a professional team of production,R&D, quality and sales, and formed a development mode with contrast agent and other product as the core, with characteristic reaction CMO/CDMO service as the supplement. At present, we has become one of the largest manufacturers of cyclopropyl bromide, Cyclen, TOBO and 3-oxetane series in the world.