Botou Kaiyite Cold Bending Machinery Co., Ltd is a professional roll forming machine manufacturer in Cangzhou city, China that supplys turn-key solutions for roller shutter door machine and metal door frame roll forming machines . We have experienced technicians and designers, who started machine designing and making since 2007, to ensure we are the highest standard in the same industry.You can get any machines according to your needs. Because we can design and produce different machines according to your requirements, which are popular in international markets. Besides we manufacture some auxiliary equipment as accessory machine to our major products. This includes decoiler , output table , slitting machine and so on.