After more than 20 years hard work, Xiamen Rollformhub Machinery has become the largest roll forming machinery manufacturer in the world, whose production and sale have surpassed 1000 sets of high quality roll forming machines, such as roof panel roll forming machine, cz purlin roll forming machine, solar bracket roll forming machine, cable trey roll forming machine, shipping container roll forming machine, container house roll forming machine, shutter door roll forming machine...