Automobile production line is the production line of automobile operation, its operation line processes include painting, stamping, welding and power assembly, so as to improve the automation level of automobile manufacturers. At present, security protection, maintenance and model selection problems need to be solved. Heavy duty connector is perfect to solve these problems. Heavy duty connectors provide suitable products for power, signal and data to meet customers' high efficiency needs. Heavy-duty connector in the automobile production line, mainly used in: automobile body forming system, welding robot, intelligent control system, control cabinet and assembly line conveying system.