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I need a help for the systeme ras for shrimps and salmon and the cost

we're specializing in: ** protein skimmers, life support systems & 10-time density RAS(recirculating aquaculture systems) for all fish and aquatic lives in fish tanks, public aquariums, oceanariums, marinelands, aquascaping, zoos, aquafarms, tourist attractions, and hot spring resorts, etc.; ** filtrating equipment for swimming pools; ** needle-wheel pumps and recirculating water pumps for the above products; ** OEM, ODM or customization for customers.