About Crossea International Co.,Ltd.We are a chinese based company specialized in supply of Chitosan, Chitin and Glucosamine. Our materials are Alaska Snow Crab Shells imported from USA and CANADA. And products are supplied in their pure form in large or small quanteties. Our company located in a harbour city named Qing Dao in east of china, which represents an easy access for ocean freight of larger xxxxxFor more details,please contact us ASAP.