Name!s Chaiyakorn, I!m a manager Sinudom Agriculture Products Ltd.,Partnership we produce chitosan,Chitin from shrimp shell, we produce dry crab shell, dry crab shell powder, dry shrimp shell, dry shrimp shell powder for produce animal feed, dry fish scales for produce collagen, our company is south area,near sea, we like to sell its.Mobile:6681-3008821Office/Fax:6677-371209www.chitosanthai.com