Shenzhen Wentong Machinery Co., Ltd. offers friction feeders for envelope feeding that are designed to efficiently feed envelopes in the card production process. These friction feeders feature a simple and reliable structure, which can smoothly feed envelopes of different sizes and thicknesses. They are equipped with adjustable parameters, allowing users to easily adjust the feeding speed and pressure according to different envelope specifications. The friction feeders for envelope feeding are easy to maintain and have a high feeding accuracy, which can reduce the occurrence of jams and misfeeds. With these friction feeders, customers can improve the efficiency of envelope feeding, reduce labor intensity, and ensure the smooth progress of the production line.