The BF series of collecting machine, straightening and feeding three-in-one automatic feeding device is high-tech, high-precision and high-efficiency. It can be said that it is the culmination of the correcting feeding machine in the peripheral equipment series of punching machines. It is space-saving, durable, easy to operate, and has a particularly good effect on extra-long, extra-wide, and thick materials. It is regarded as the most advanced automatic feeding device in the industry. A series of automatic feeders manufactured by our company are subject to strict quality control, and the products have high precision and high precision.