The predecessor of Shandong Guangtongbao Pharmaceuticals Co., Ltd. is Shandong Guangtong Chlorophyll Co., Ltd. which is one of the first enterprises engaged in the development and production of chlorophyll products. Guangtongbao now has several series (chlorophyll series product, vitamin k1 series products, vitamin D3 microcapsule), Main products in the domestic market enjoyed a high reputation. US FDA, Chinese GMP certificati
