hot dip galvanized steel coil

مقطع مجوف مربع / مستطيل ملحوم لإطار الدفيئة

Rectangular & Square Welded Hollow Section For Greenhouse Frame Product Description Square and rectangular steel tube (also called hollow section) is manufactured by forming steel coil into round tube and then reshaping it into square or rectangular form through ERW welding. It offers excellent ...