National Fertilizers Limited - Punjab
3798427 complete manufacturing & supply of carbon steel ducts for boiler iv as per drg.no. ng 19516.length of each duct=2mtrs.,width =1.520 mtrs., height=1.650 mtrs.& stiffeners of size isa 40x40x6mm on all sides also shown in above drg.material=is 2062 gra ...