Introduction This model combines the advantages of similar products found at home and abroad; it eliminates the shortcomings of the on-frequency X-ray machine (high current intensity and excess amounts of scrap x-rays). Using a Toshiba 0.3 micro-focus tube. The tube voltage frequency of this machine is 30 KHz, and the tube current is 1 MA. The radiation scope is at an angle of 24 degrees, located within a distance of 1.2 meters ahead. This is an innovative Chinese design named the "Green X-ray Machine."