German P + F Company (Pepperl + Fuchs) is the world's most famous and largest professional sensor company. Founded in 1945, it launched the first generation of revolutionary inductive sensors to the world in 1958 and successfully applied in the chemical and petroleum industry. After nearly 60 years of continuous development and efforts, P + F has developed into more than 3000 employees. It has special research and excellence in all kinds of sensors, from inductive sensor to ultrasonic sensor, from photoelectric sensor to rotary encoder, from recognition system to fieldbus system, from liquid level and material level sensor to safety light curtain, from explosion-proof sensor to safety barrier and isolation barrier Global sensor supplier of quality products. P + F ships tens of thousands of products to users all over the world every day, and P + F sensors are applied in any industry.