How infrared thermometer works
Infrared thermometer consists of optical system, photodetector, signal amplifier, signal processing and display output. The optical system converges the target infrared radiation energy within its...
What are the best selling smart home products
Smart home is the hottest word in the modern era. Smart home makes it popular around the world with its high-tech sensory experience. Whether it is a smart home system or a smart home product, the...
China lock industry research
It is reported that due to the development of sound, light, machine, electricity and magnetism, the design of locks has also undergone great changes. By 1974, the United States had successfully...
High-end locks or locks mainstream
With the rapid development of pillar-type industries such as residential, automobiles, medium to high-end office buildings, and hotels, and the growing demand for highly protective lock products from...