HTP Connectivity company produces high-quality industrial plugs and sockets at affordable prices. The company was established in 2003 and during its existence has become known in more than sixty countries around the world. The headquarters is located in Bergamo (Italy). The company has a subsidiary in New Jersey (USA),.The production is located in the Chinese city Dungan. Connectors DIN EN 175301-803, also known as DIN43650, are widely used in industry and are the primary means for connecting hydraulic, pneumatic and electromagnetic devices, including solenoid valves. Such connectors are also commonly used in pressure transducers, position sensors, flow sensors, thermostats, industrial thermometers.