Everyone wants to spend money on the blade when adapting home improvement to local conditions. How to choose a suitable and cost-effective door handle for your new home? In a word, adapt to local conditions. For example, the door must be sturdy and safe. It is best if it is certified by the Ministry of Public Security. The interior door pays more attention to beauty and convenience. The bedroom door and the living room door are not often closed or locked. You can buy a less frequent switch. Generally, 100,000 times is enough, and 200,000 times is a bit "overkill". The bathroom door locks, The frequency of switching and locking is relatively high, so it is necessary to buy a door handle with a better quality and a higher number of times of opening and closing. In addition, the health factor cannot be ignored when buying door handles.