As the same person said, you need to check whether the bottle and outer box are printed with the words "made in france". If so, the entire product is made in France. I seem to have never encountered Chanel no.5 with a Chinese label.
In addition, I would like to add the issue of Chanel’s origin.
Generally speaking, Chanel is produced in France, but there are also Chanel perfumes produced in the United States.
If you buy a perfume in the United States, its origin is in the United States. Chanel has trademark registrations in New York, United States, and Paris, France. Skin care products, makeup, and perfumes produced in the United States and France are all genuine. Chanel product packaging boxes have LOGOs registered in France and the United States.
Let’s talk about the formula. Although Chanel has its headquarters in New York, USA, it only sells and does not produce. It is said that the production place is in Piscataway, but the raw materials used in the perfume produced in Piscataway are different from those produced in France. Perfume depends on the formula. If the alcohol base is different, the smell of the perfume will be different.
If you take the EDT formula for comparison. The EDT produced in the United States has very light aldehydes and a light floral aroma. It is dominated by sandalwood in the base, and other ingredients are auxiliary. The ones produced in France are different.
Most people prefer the Chanel perfume with strong floral fragrance produced in France.