Dried shrimp shell = grade 1 (100% body), Moisture max 10%, Impurity max 4%,size ,min 2 cm. we also can supply; Dried Crab Shells = Moisture max 10%, Impurity max 4% non press, non sand Dried shrimp head = Moisture max 10%, Impurity max 4% Supply quantity per month : minimal 12 ton ( up to 30 ton)