Testing equipment has many types of testing equipment commonly used in factories, there are many testing equipment, including measuring equipment manual rangefinder, electric rangefinder, etc., in addition to quality testing and analyzing instruments, material testing, packaging testing equipment and so on are also common testing equipment. More common in the packaging segment are packaging material tester, metal detection equipment, non-metallic detection equipment and non-destructive testing equipment. In order to ensure the safety and hygiene of food, drugs and other products, manufacturers need to pre-production, production, packaging and packaging of finished products for the corresponding test, so it must be used in testing equipment. Metal detecting machine is composed of two parts: metal detector and conveyor. The function of the metal detector is to detect whether the bag contains metal impurities; conveyor conveying bags of material through the metal detector, and will be detected after the bag continues to convey to the next link