The hood air volume of 4000 cubic meters per hour, 6K, 8K, 10K, 12K, 20K, etc., to how much air volume is based on the new clean environmental protection company to determine the actual inspection, they will give a more reasonable program, will not lead to choose a small or big lead to waste. General AiYiJia oil smoke purifier air volume can meet, and high purification rate, good cleaning, the use of late maintenance is relatively easy. Catering industry is now the environmental assessment requirements are still relatively high, to find a professional company or more assured

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