Qingdao Sigma Chemical Co., Ltd.
Country: China (Mainland)
Business Type: Trading Company
High Quality 1,2,4,5-BENZENETETRAMINE TETRAHYDROCHLORIDECAS NO.: 4506-66-5
High Quality 2,2'-(Hydroxyimino)bisethanesulfonic acid disodiumCAS NO.: 133986-51-3
High Quality Acetylacetonatobis(2-phenylpyridine)iridiumCAS NO.: 337526-85-9