1. Different formation methods 1) Seamless steel pipe: a steel pipe made of a single piece of metal with no seams on the surface. 2)Welded steel pipes: steel strips or steel plates that are bent and deformed into round or square shapes and then welded into steel pipes with seams on the surface. &...
This study is intended to identify the impact of air quality on the house market price of Ulaanbaatar's densely populated districts. To this end, the correlation between the current state of the construction industry, specifically house price trend and change in house prices, and Ulaanbaatar's air pollution, its air quality index indicators, has been examined.
Урд цайрдсан ган хоолойн үйлдвэр ба ханган нийлүүлэгчид |Юфа. Product Pre Galvanized Steel Pipe Specification Material Carbon Steel OD: 20-113mmThickness:0.8-2.2mm Length: 5.8-6.0m Grade Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B Surface Zinc coating 30-100g/m2 Usage Ends Plain ends Greenhouse steel pipeWater …