Pipe truss by purlin , even between a beam and the whole structure by supporting system.

管桁架之间通过檩条、连系梁和支撑系统把整个结构连成整体。

C steel tile press is a production of a variety of specifications of type C purlin roll can be finished in the single roll forming machine.

型钢压瓦机是一套轧辊可生产多种规格C型檩条成品的单卷成型机组。