... in producing electrical insulating material,common soft products and film,SG-3 used in producing electrical insulating materials, film, raincoat, ... producing membranelle for industrial and civil use, tube and pipes,SG-5. used in producing transparent products section bar, hard ... value and welding rod, PVC pipes, PVC windows, doors ,etc.SG-6. used in producing clear foil, hard board and welding rodSG ...