There is no price limit. As long as you buy more than three Haier products (but different categories) at the same time, you can count Haier's complete sets of household appliances.
It can be bought in Wuxing Electric Appliance, Gome, Suning Appliance, Yongle Life Appliance and Haier's own store. Every shopping mall has Haier's leading household appliances. You can ask when you go to the mall. Looking for their team leader can give you professional design and advice.
If you go to Wuxing to buy it, you can also find the "home appliance consultant" of Wuxing Electric, who can give you all-round evaluation and suggestions. They will give you the most fair price without bargaining!