We have the pleasure of introducing ourselves as a professional manufacturer/exporter - ASCCO. Established in 1992, specializing in screws/fasteners industry for over 25 years. We insist to offer high quality and a wide variety of screws with competitive prices and on-time delivery to our customers, we have gained very well reputation and become a leading manufacturer in the market. Our Production coverage of standard screws includes chipboard screws, drywall screws, wood screws, tapping screws, machine screws, concrete screws, self-drilling screws, cutting screws, nail screws and construction screws.