... hexagon head bolts, coach bolts, carriage bolts, hanger bolts, etc ), kinds of screws( self-drilling screws, lag screws, chipboard screws, drywall screws, wood screws, etc.), ... zinc plated, etc. We own a intellective group with full of passion and energy, nearly about 300 workers ... DASHEN rate staff, in line with surviving on high quality, seeks development with prestige. Welcome domestic and ...