Seatech Corporation | Seatech Corporation crab meat, crab, chilean, dungeness, langostino, shrimp, seatech, ocean kitchen, salmon, msc, certified, sustainable Seatech Corporation Specializing in Chilean crab, meat the best substitute for Dungeness crab meat, and other great products form South America. Our Chilean Shrimp and Langostino are sourced from MCS certified sustainable fisheries.