Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality Benzaldehyde propylene glycol acetalCAS NO.: 2568-25-4
High Quality Sodium dimethyldithiocarbamateCAS NO.: 128-04-1
High Quality Dipotassium hydrogenphosphateCAS NO.: 7758-11-4