Shandong Guangtongbao Pharmaceuticals Co., Ltd., locates in Qingzhou City, which is the birthplace of “Dongyi Culture” and one of the Nine Ancient States of China. Guangtongbao is a professional manufacturer of chlorophyll series products and vitamin k1 series product.
The predecessor of Shandong Guangtongbao Pharmaceuticals Co., Ltd. is Shandong Guangtong Chlorophyll Co., Ltd. . It started to research and develop chlorophyll product from 1977 and reformed into a incorporated company in 2004. This company committed itself to quality management and enterprise certification which brought it significant progress in terms of enterprise management, product quality, market expansion and brand construction. Guangtongbao received the inspection by US FDA in chlorophyll and vitamin k1 industry, Guangtongbao obtained Chinese GMP certification in chlorophyll industry, Provincial High & New Tech Enterprise, Provincial Enterprise Research & Development Center, Environmental Friendly Company in Weifang City; Guangtongbao attended the drawup of the national standard and participated the drafting of National Food Grade Standard of Vitamin K1. In 2017, new partner and new investment came to Guangtongbao which will help it develop continuously and stably.
After forty years’ unremitting efforts, Guangtongbao now has several series (chlorophyll series product, vitamin k1 series products, vitamin D3 microcapsule, natural  phytol and 2,6 diphynolphenol) and more than 20 products. It  has annual turnover of more than 800 tons of chlorophyll paste, 60 tons of sodium copper chlorophyllin and sodium magnesium chlorophyllin and 7000kgs of vitamin k1.
When Guangtongbao improved the quality expend our production scale, we always keep our eyes on the forefront of our industry，regarding customers’ demand as our goal, global market-oriented，regarding leading the industry and service for the health of human as our task. We continuously improved products quality and successively solved the problem of heavy metals, color shade, solvents residue, pesticide residue and application in acid condition which is required by European and US regulations. All these actions increased our competitive advantage in domestic and international market and market shares.
Guangtongtbao also went through Kosher Certification for Jews, Halal certification for Muslim, food production license, ISO9001, 14001 and 22000 according to the different demand from the customers. It started to apply for U.S.A. DMF for vitamin k1. All these measures raised our competitive power and reputation.
Sticking to the sense of worth of “Care, Fairness, Loyalty, Liability” and ultimate aim of “Benefit more individual and collective from Guangtongbao”, Guangtongbao will committed to the carrier of health of foodstuff and medicine for human and sincerely welcome all the friends and enterprises for economic exchange and cooperation to build a healthier, more harmonious and beautiful future.