Sodium Tripolyphosphate 94% Min (STPP) Ethylene Diamine Tetra Acid (EDTA) Sodium Hydroxide 99% Min (Caustic Soda) Hydrogen Peroxide 公司:Chimie Andishan Eng.& Trading Co. 电话:0098 21 88733305 ,88730539 传真:0098 21 88730029 邮箱:chimie_andishan@yahoo.com