On June 22, the 13^th china int’l machine tool&tools exhibition was opening in Beijing. Controlway group brought the products and solutions to attend the exhibition. In machine tools industry , controlway provides extensive products, includes inductive sensors, photoelectric sensors, safety light curtains, etc. They have been widely used in the machine tool industry, to measure speed, or detect the place, measure the speed of the spindle, detect the sheet thickness, and protect the human and equipment security .