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I think it's still very easy to do, and a few companies like Snow Cat Cleaning are doing quite well so far.
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It's hard to do it if you haven't done it! It's dirty and complicated, and if you want to do it, you have to study and do on-site research before making a decision.
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Personally, I think that the market potential of central kitchen cleaning is huge, the competition is not large, there are few brands, and there are only a few mature ones such as snow cat cleaning. It's not too late to enter the industry.
Yes, the upstairs is right, the temperature is high in summer, no matter what oil does not solidify, it is easy to clean.
It's okay, especially now that a lot of people do processing with supplied materials, and they make a lot of money.
It must be a multi-wing fan, go to the hardware market to find an airplane, just get a few balance pieces from him. Then you clip it yourself.
This situation is very tiring, the accumulation of greasy, and the roundabout flue
You'd better find a professional to clean it for you. If you really can't do it, go to the Internet to find the kind of detergent with strong decontamination ability and get it yourself.