In recent years, solar greenhouse is a new type of greenhouse project in the world, which takes full advantage of sunlight as an important energy when growing vegetables or plants. As a rule, the thermal and moisture environment in the solar greenhouse tend to vary dynamically with the influence of regular solar radiation, transfer of heat and m...

In the past few years, people prefer PVC frames which is considered a very easy, quick, as well as inexpensive way to build a greenhouse. However, a PVC house just isn’t going to last a long time. In recent years, among all the different kinds of structural materials commonly used in a variety of greenhouse projects, steel structures would be th...

For a long time, structural steel pipes have been widely used as an important building material in the construction industry, which serve a wide range of functions often, due to the good performances of durability, strength and resistance to harsh environment conditions. In the current steel pipe market, structural steel pipes are available in a...

In the modern times, galvanized steel pipe are widely used in a variety of applications from building materials to infrastructure projects. However, once the galvanised surface has been attacked and the zinc hydroxide compounds have formed, it is desirable to remove the oxide products from the surface because:1) their presence inhibits the forma...

In steel pipe industry, welded steel pipe is a very common type of steel materials today. It has been widely applied to various fields in daily life and some working operation. Furthermore, it brings more convenience to our living and production activities. In the current steel pipe market, there are two major categories of welded steel pipe as ...