Jiangsu Zhongda Biotechnology Group Co., Ltd. (Lianyungang Zhongda Seaweed Industrial Co., Ltd.) are manufacturer of sodium alginate and mannitol extract from seaweed. If you are interested in it ,pls contact me to sea.chemical@gmail.com. Our factory is one of the largest seaweed processing plant in china, our factory founded in the year of 1972 and have a high reputation in our country. Sodium alginate, can be use as a thickener for textile printing , it is an important stuff in textile chemical. we also produce sodium alginate for food grade. Mannitol a raw pharmaceutical material, is used as a sugar for the diabetics , it also be used to make tablets. We sell our products in southeast asia, Europe and south America. we Want to explore a new market for our products. All our goods is high quality. If you interested in our products, kindly to send the information to relative department and contact me. http://www.zhongdaseaweed.comemail:sea.chemical@gmail.comtei:86-13626300857