• Why metal C Z purlins are popular in the market？
• What's the advantage of metal purlins in building industry?
• How will metal purlin roll forming machine developing  next?

C/U Purlin roll forming machine is the equipment that both can produce steel C shaped purlin and U shaple purlins, but the C and U size dimension should be nearly the same or very closed. C shaped steel channels continuously roll formed by galvanized or cold rolled steel strips from feeding, punching for holes, bending and cutting.

In the past several years, people developed stone or concrete purlins which were strong enough to hold a house for long time. but, the builders and house owners find that the owners have to spend much more money than using wood purlins;. so, from now on, the stone or concrete purlins become the last choice for industrial or some individual buildings.

Compared to traditional purlins, there are many advantage of steel metal purlins, it is light, easy and fast to install, and recyclable for other buildings etc. Therefore, as we can see, in mordern steel industrial buildings or prefab enineered buildings, people always use C purlins, Z purlins and sometime U purlins without flange stiffeners as well.

In order to catch up the fast develop market, Xiamen Bogong Machinery has worked out fast and size interchangeable C Z purlin roll forming machines, it can change for producing sizes controlled by buttons, no need manual to change sizes now, this is good for user to improve producing capacity.