Shandong Guangtongbao Pharmaceuticals Co.,Ltd.

Our company is the largest manufacturer of chlorophyll series and vitamin K1 in the world. Chlorophyll series products now include chlorophyll paste, oil-soluble copper chlorophyll, sodium copper chlorophyllin, sodium magnesium chlorophyllin, sodium ferrous chlorophyllin, sodium zinc chlorophyllin and other more than ten specifications. Vitamin K1 … More