Jiangyin Bosj Science & Technology Co., Ltd（BOSJ）is a professional manufacturer of roll forming machine for Cable tray, Floor board, C&Z purlins, Storage rack, Highway guardrail, anode plate, etc. And BOSJ specialize in the development of custom roll forming machine, with expertise in both the design & manufacture as our customer’s one-stop supplier. Moreover, BOSJ also design and produce CNC plasma cutting machine, the numerical control bevel contour cutting machine, Intersection line plas..