The difference in the price of the door handle mainly lies in two points: one is the door knob brands and the other is the shape. Door handles of the same or similar quality varies in price depending on the shape. In general, long door handles are more expensive than round ones.
Aluminum alloy sliding door is very common in the market, which has a very obvious selection advantage, but also has certain defects. Therefore, taking about the choice of the aluminum profile door, it’d better choose one according to the consumer’s personal needs.
In the summer of 2018, the smart door lock industry has also ushered in a hot development period. In the first half of 2018, China's smart door lock industry has achieved rapid development, laying the foundation for rapid development in the next five years.