Minnie kington, lock the door. The quality is very good, because McInton's door lock is a German brand, and its positioning is a mid-range lock. However, the advertisement promotes the positioning of imported locks in Germany, which has a very good reputation in China. Many well-known door industries use Nick locks, which are the first-line brands in the industry. Spherical door locks are common, that is to say, the handle of the door lock is spherical, the manufacturing process is relatively simple and the cost is low. Widely used in China, generally used in indoor door lock, the security is poor.