G3444 Круглы JIS сталі для труб Пастаўшчыкі і завод | Кітай JIS G3444 Круглыя сталёвыя трубныя

Greenhouse structural components

In the modern times, greenhouses are playing a significant role both in the commercial agriculture farming and the residential greenhouse garden. In most cases, a greenhouse is a structure made by assembling different...
How to maintain the curtain wall system i...

For a long time, curtain wall has become an enduring staple of modern building design since its introduction almost 100 years ago. And its popularity continues today in the 21st century. In practical applications, cur...
What is a passive solar greenhouse

In general, all greenhouses collect solar energy in applications. You might think that a greenhouse should capture the maximum amount of solar energy and should be oriented to straight south. Not so. Believe it or not...
The external uncertainty continued as Chi...

In the first eight months of this year, China’s steel industry showed a good performance under the background that China’s economy is stable and improving, but the external uncertainties have brought some ...
The development and application results o...

In recent years, the iron and steel research institute in combination with the national economic construction and national major project of high performance of structural steel pipe have achieved a series of achieveme...

JIS G3444 Круглая сталёвая труба