Hi, Anna, your mother's worry makes sense. China Custom does have limit to how many electronics you can bring in. Generally, reasonable amount for personal use is allowed. The standard is judged by custome officers. Generally 1-2 of the same kind of electronics. There is special limit on Apple products, Iphone, Ipod, Ipad, Itouch, MacBook etc. You are bringing a brand new laptap and Ipad with intact packing, you should declare and have to pay for the tax (20 percent tax rate).