Drill Point Die, Heading Die, Non-Standard Fastener manufacturer / supplier in China, offering Construction-Grade Self-Tapping Screw Machine - for Drywall & Steel Framing, Turnkey Self-Tapping Screw Solution - 30 Days Installation, 2 Years Warranty, End-to-End Self-Tapping Screw Production - Header + Thread Roller + Inspection and so on.