Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Reactive Turquoise Blue Kn-GCAS NO.: 12236-86-1
High Quality Methyl 4-chloro-3-oxo-butanoateCAS NO.: 32807-28-6
High Quality Potassium hydrogen DL-aspartateCAS NO.: 923-09-1