Zhuanzhuan, as a website for recycling and selling second-hand electronic equipment, has undergone strict testing and testing before selling. When buying a second-hand notebook, you should pay attention to some important parameters, such as processor model, memory size and hard disk type. , so as not to be pitted. At the same time, we also need to pay attention to product quality and after-sales guarantee, and choose merchants with good reputation and good after-sales service to buy.