ASCORBIC ACID -BP2004/USP28.
We, Gain Charm International Limited. ( hereafter stated as Gaincharm), was founded in 1991.
Gaincharm is headquartered in Hong Kong. Today it has set up branches and offices in Haikou, and Sanya.
Gain Charm specializes in research, production and trading on inorganic and organic chemicals, pharmaceutical raw materials and intermediates.
