Dear Madam/Sir,We are CV.Taiyo Wako Abadi from Indonesia,Our company based in East Jave, Indonesia and have exported dried shrimp shells and dried crab shells as materials for producing chitin, chitosan, and glucosamine since 2009 till now. We can also provide crab shell powder for animal feed and felitizer. It&＃39;s great plasure if you could inform us about your requirment, we will try our best to satisfy your request.Looking forward to hearing from you.Sincerely,