Punched angle steel is widely used in the construction industry and is a high-quality building material. It is deeply lo···
2024-07-08 
National standard angle steel: Take 4# 5# as an example; the national standard thickness is 40*40*4 50*50*5 and the tole···
2024-07-08 
Angle steel is widely used in the construction industry and is a high-quality building material. It is deeply loved by t···
2024-07-08 
1. Introduction to angle steel: Angle steel is usually called angle iron. It is a long steel strip with both sides perpe···
2024-07-08