... design4 air-source and oxygen source one machine, the customer can use on demand Useful: 1, the laboratory: materials, oxidation, fading, and ... storage, preservation, processing and production of water and so on.4, the food processing industry: such as the production of ... wards, operating theaters, medical equipment, sterile room Also we can made you the 40g, 50g,100g ozone machine, the machines ...