Today I will talk to you about the advantages, disadvantages and costs of the five most common roofing materials in North America. Asphalt shinglesBecause of its low cost and easy installation, more than 75% of North Americans choose asphalt shingles as roofing materials. At the same time, it is also the most common roofing material […]

Galvanized barrels are metal containers in daily life, and the production process involves raw material preparation, molding, galvanizing and other processes. Data supportThe accuracy of the shearing machine is usually controlled within ±0.5 mm.The speed of stamping can reach 30 units per minute.Schematic diagram of molding process Hot-dip galvanizing processPretreatment: Pickle the formed barrel to