yantai Zhouji Marine Biotechnology Co., LTD. was found in 2005, covering an area of 50,000 square meters, annual Food sodium aliginate output is 3,000 tons .The company has passed ISO9001, 14001 ,Kosher, Halal certification .We are specialized in produce and exporting sodium alginate more than 20years ,our products sell well in more than 30 provinces in China and exported to more than 20 countries abroad. Welcome to contact with us !