... 2.Color enhancer & Immunity strengtheing fish food Flakes, Pellets & Organic Natural Aquarium fish food We are a professional manufacturer specializing ... We have two factories. One is in North China, which produce all kinds of organism Natural food, like artemia, bloodworm, mealworm ... tubifex, red shrimp. The other is in South China, which produce all kinds of pellets and flakes for aquarium fish. Our ...