Vietnam has long seaside and various seafoods. We have exported huge amount of seafoods and shells of crustacean to many countries. Now we have successfully produced chitosan, chitin and their derivatives. We can use chitosan for:Pesticide, plant growth regulator, seed soaking, soil conditioner, anti-staling agent For fruit and vegetable, feed additive Pls look at the ingredient: Items Specification (food grade) Appearance Slices and Powder Color Pale yellow or white Smell Odorless Moisture <12.5 Calcium Content <200mg/kg pH (1% Liquid) 7.0-8.0 Total ash content <1.5% Total nitrogen content >7.0 E.Coli 0 Heavy metal (Pb) <10 ppm Deacetylation 90%