both are useful.

Changzhou consumer complaint telephone number is: 12315.

"12315" consumer complaint hotline is a special telephone number set up by the State Administration for Industry and Commerce with the strong support of the former Ministry of Information Industry.

The national consumer complaint telephone number is 12315, and the address of Changzhou Consumers Association is: 6th Floor, Johnson Building, No.112 Qingtan Road, Changzhou (next to Redao Hotel).

you can call 12315: 1 when the following situations occur, when the rights and interests of consumers are infringed and the complained party is under the jurisdiction of the administrative department for industry and commerce; 2. When consumers' legitimate rights and interests are violated in the process of consumption; 3. When consumers find fake and shoddy goods and "black dens" for manufacturing and selling fake and shoddy goods.