How to effectively file a complaint against Haier?

400 6999 999 Haier’s hotline! Call and explain the problem clearly, make the request stronger and use a stronger tone. If it still doesn’t work, contact the local 315 association! What bothers me the most is that the after-sales service is not done well. If the money is not paid, it is the uncle. If there is a problem with the money, it is delayed! If it doesn’t work, find a reporter~~Expose~~ = =