Geometric abstract art background with bold shapes and contrasts
Gas Cylinder, Gas Burner, Gas Light.

Latest Articles

Installation precautions for passive infrared detectors!

The working principle of the passive infrared detector is mainly based on the infrared spectrum generated by the human body. In the natural world, any object above the absolute temperature (-273 degrees) will produce infrared spectrum, in the passive infrared warning zone, when there is no When th

Read more