Boric acid

Hebei Huachen Pharmaceutical Co., Ltd. (Hebei 20,100,022)
Sodium bicarbonate

Hebei Huachen Pharmaceutical Co., Ltd. (Hebei 20,100,022)
Hebei Huachen Pharmaceutical Co., Ltd. (Hebei 20,100,022)
Hebei Huachen Pharmaceutical Co., Ltd. (Hebei 20,100,022)
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