Current label: Tangshan Juguan Wholesale Factory
Tangshan Juguan Wholesale Factory Give you a detailed introduction Tangshan Juguan Wholesale Factory Product classification of, including Tangshan Juguan Wholesale Factory The purpose, model, scope, pictures, news and price of all products under. At the same time, we have selected Tangshan Juguan Wholesale Factory The classified industry information, price quotations, exhibition information, picture materials, etc. have won praise from users nationwide. For more details, please click to visit!
-
Concept and classification of rectangular tube: rectangular tube is a kind of light thin-walled steel tube with hollow square section, also known as steel cold-formed section. It is a shape steel with square section and overall dimension made of Q235 hot-rolled or cold-rolled strip or coil as the base material after cold bending and forming and then high-frequency welding. Hot rolled extra thick wall square tube is in the condition of wall thickness increase, and its corner size and edge straightness are up to