Guangtong Group Shandong Guangtongbao Pharmaceuticals Co.,Ltdis the largest manufacturer of chlorophyll series products and vitamin k1 series product. Based on that, our business scope involves fine chemicals, pharmaceuticals, foodstuff, fodder，home textile and import and export business. The predecessor of our company is Shandong Province Qingzhou Biological & Chemical Institute for Mulberry Silkworm Eggs established in 1985; In 1992, this Institute established a joint venture with Hong Kong Hualu Silk Co., Ltd. – Shandong Guangtong Chlorophyll Co., Ltd.; In 2003, we established a stock company - the present Shandong Guangtongbao Pharmaceuticals Co., Ltd.. From 1977, we started to make research on chlorophyll series products. After thirty years’ efforts, we now have several..