কার্বন ইস্পাত পণ্য

Video Description:
Discover high-quality L245 L290 X42 X46 X60 X80 Carbon Steel Square Welded Steel Pipes, available in lengths from 3m to 12m. Ideal for engineering structures, cars, bridges, and more. Made from premium materials like Q195, Q235, and Q345, these pipes meet GB, JIS, ASTM, and other international standards.