The Sea Oyster Shell. Our Company are located in Korea, we engage in processing the Oyster and domestic demand and export, also processing the Oyster Empty Shell for used. We are seeking supplier of the oyster empty shells and we need large quantity the oyster empty shell every year, welcome to contact us if you have good quality and reasonable prices the oyster shell. Here is the specification and image of the oyster shell. Wide size: 4~5cm Length size: 7.5~8.5cm The method of processing: washing and remove the an alien substance Minimum quantity: 20t above