BSC's mainly manufacturing and exporting products are: 1. All kinds of washers, both stainless steel and carbon steel 2. stainless steel anchor bolts 3. Stampings ( ss & steel) 4. other well sell fasteners: 4.8 8.8 hex bolts, wood screws (T17, drywall screws, chipboard screws...), concrete screws, furniture screws...ect. Products include flat washer, spring lock washer, square washer, tapper sqaure washer, tooth washer and other standard and non-standard washers.