A specialist maker of standard self-drilling screws, we offer them in stainless-steel, ferrous and other materials with hex-washer, pan, flat and other types of heads, as well as welcome samples, schematics etc. for special, made-to-order items, which are delivered with short lead-times. Beginning in 1983 as a dedicated builder of steel structures and engineering projects related to factories, Shei-Fa Enterprise is confident, diligent and conscientious. We are detail-minded, covering R&D, manufacturing to marketing and service, as well as regularly introducing new items to meet changing demand ... {read more}