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What is NSF certification~🧐 Did you know?
It is also related to our refrigeration air conditioner!
Welcome to learn about NSF HT1, HT2 required by food factories 😉
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Welcome everyone to join our "Refrigeration and Air Conditioning Knowledge Base" to discuss and research together, and you can also share your experience on site implementation!
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More information can also be viewed on the official website ➡️ www.chientorn.com/