Any of a number of purity standards for chemicals and chemical products established by various specifications. Some of these grades are as follows:ACS (American Chemical Society specifications) reagent (analytical reagent quality)CP (chemically pure)USP (conforms to U.S. Pharmacopeia specifications)NF (conforms to National Formulary specifications)FCC (Food Chemicals Codex specifications)Other common grade designations are chemical, commercial, feed, food, injectable, nitration, purified, radio, research, semiconductor, spectro, technical (industrial chemicals).
Hangzhou Huarong Pharm Co., Ltd. Hangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and servic.. Dayang Chem (Hangzhou) Co.,Ltd. Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which i.. NEM CHEMICAL CO.,LTD
NEM CHEMICAL CO.,LTD. (original name is Puyang MYJ Fine Chemical Co., Ltd. ) is high-tech compang co..