Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 3-Ethoxy-4-ethoxycarbonyl phenylacetic acidCAS NO.: 99469-99-5
Manufacturer high quality Potassium dihydrogen phosphateCAS NO.: 7778-77-0
Manufacturer high quality Praseodymium oxideCAS NO.: 1306-38-3
Manufacturer high quality Yttrium Oxide/yttrium oxide powderCAS NO.: 1314-36-9