सामान पैक करने का कार्य का विवरण
3 layers of packing !
Inside is craft paper ,
middle is waterproof plastic film
and outside GI steel sheet to be covered by steel strips with lock.
effect bolts hat 0.3mm verse tile 32 gauge concealed 0.12-2mm material price decorative manufacture corrugated sheets
British standard for h beam mild steel i iron beam i steel structural steel price per ton h beam uc ub size