BJ-DN多能咬口机 BJ-DN Multi-function seam machine BJ-SLJ 双能联合角咬口机 BJ-SLJ Double functions joint angle seam machine 适用厚度0.5－1.2mm Suitable thickness 0.5-1.2mm DN 机集直角咬口、拼接、圆咬口多种功能于一机SLJ机是直角咬口和圆咬口为主，供小型工程单位按需选购。 DN machine collects multiple functions such right angle seam, joint, circular together. SLJ machine take right angle and circular seam as its main roles, offering small scale project units to buy according to their requirements. BJ-JT滚带电动卷筒机 BJ-JT Electric cylinder rolling with belt machine 适用厚度≤0.5mm Suitable thickness≤0.5mm 长度≤1300mm　　　 Length≤1300mm JT机用于薄板的圆筒和锥形筒体卷加工成型 JT machine is used in the shaping of the cylinder and cone cylinder body with thin plates.