The raw materials of refrigerated pasteurized crabmeat are portunus haani.which comes from Chinese sea area.The products can not be delivered and enter the market until the spot-checking is passed after being processed with the following steps:raw material receiving ,material crab handing(shucking.gilling.washing)cooking,cooling,cooked crab cold storage,cooked crab distributing,meat picking,selecting,tinning,sealing,pasteurizing,cooling with ice water,casing and finished products cold storage.