1. Check the cigarette machine model when purchasing. Also, the real cigarette machine is stamped with a steel stamp, and the brand label is not easy to remove.

2. When purchasing, check whether the model number on the cigarette machine manual matches the cigarette machine itself. Generally, the manual of the OEM cigarette machine does not include the manufacturer's contact information and the specific model of the cigarette machine.

Extended information

Tips for identifying "Oupai" range hoods from famous brands:

1. The English letters "OPAICN" are written on the body of the range hood. .

2. The English letters "OPCFDQ" are written on the body of the range hood.

3. The English letters "OPUIJ" are written on the body of the range hood.

If all range hoods start with "OP", they are basically fake and shoddy products.

Reference material: People's Daily Online - Investigating the chaos in Jinan Huangtai Home Plaza: It is difficult to distinguish the authenticity of the "Oupai" range hood