Since 2002 year we found the 1st plant, our company has been engaged in producing and exporting excellent fasteners: Hex washer self-drilling screws, Self-tapping screws, Drywall screws, Chipboard screws and different kinds of screws which be used with steel structure buildings. Our products enjoy a great popularity at home and abroad due to their high quality and reasonable price. If you are interested in any of the items or have any questions, please don’t hesitate to contact me. We can assure you of our best service. Looking forward to your reply. Thanks.& Regards. Zoe