We are a professional manufactory on metal building materials since 1993 in Shenzhen , China , and we make the moulds and rolling machines by ourselves .So ,we can produce any size of products by order.  The main products  include various kinds of CD60*27 ,UD,wallangle,Drywall Stud and track,T-bar,t grid,ceiling panel,ceiling board etc.If you want to know moreour information,please visit our website: http://www.szpennon.en.alibaba.com or http://www.pennon.cn  and http://www.goldenpennon.com .