Shandong Guangtongbao Pharmaceuticals Co., Ltd., is a leading manufacturer of chlorophyll series and vitamin K1. Our have nearly 30 years history of developing and producing chlorophyll products. After thirty years efforts, our 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. Our company have develo...
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