Phosphated Self drilling screw with wings for fiber board and light steel

Phosphated Self drilling screw with wings for fiber board and light steel

Greenwell Building Material is a manufacturer in line of steel coils, steel profiles,light steel keel,ceiling t girds and drilling screws for our light steel products and steel profiles.Our company has an excellent reputation and cooperating with a large number of building material customers around the world. We are engaged in produce high quality of steel products including Steel coils, Drywall stud and track, Wall angel,Ceiling t grids. In addition to all these products, we can provide our big customers with any inquires most products or work very closely with them to develop special products to meet their specifications.