Shandong Guangtongbao Pharmaceuticals Co., Ltd.

Shandong Guangtongbao Pharmaceuticals Co., Ltd., is the most competitive professional manufacturer of chlorophyll series products and vitamin k₁ series product in the world.

Guangtongbao is the only one who went through the inspection by US FDA in chlorophyll and vitamin k1 industry, the only one who obtained Chinese GMP certification in chlorophyll industry

After forty years’ unremitting efforts, Guangtongbao now has several series (chlorophyll series product, vitamin k1 series products, Vitamin K2 sereis,vitamin D3 microcapsule, natural  phytol and 2,6 diphynolphenol) and more than 20 products.