Upeen Chem co. , ltd. , with its 14 years export history, is an professional supplier in antioxidants, medical medium and thiocyanate salts. Our products are as follows:
Sodium Erythorbate
Erythorbic Acid
D-ribose
Ammonium Thiocyanate
Sodium Thiocyanate
Potassium Thiocyanate
Sodium Hydrosulfide
All the listed products have passed the certificates of ISO, KOSHER, HALAL, HACCP and so on.