Is it useful to call 123 15 at will?

1. The key to complaining to the industrial and commercial bureau or the consumer association is to have relevant evidence to prove the existence of consumption customs. Such as invoices, coupons and commodities. 2, for controversial consumer disputes, there should also be a special appraisal conclusion. If harmful consequences exist, evidence should also be provided. Such as medical diagnosis certificate that causes personal injury, medical expense unit, etc. 3. If you have writing ability, you'd better prepare written complaint materials.

Legal objectivity:

Article 39 of the Law of People's Republic of China (PRC) on the Protection of Consumers' Rights and Interests: In case of consumer rights disputes between consumers and business operators, they can be resolved through the following channels: (1) through consultation with business operators; (2) Requesting consumers' associations or other mediation organizations established according to law to mediate; (three) to complain to the relevant administrative departments; (four) according to the arbitration agreement reached with the operator, submit it to an arbitration institution for arbitration; (five) to the people's court.