Shenzhen Heat Hardware Co., Ltd are screw manufacturer with over 20years specializing in custom fasteners for aerospace, automotive, electronics, mechanical and electrical products, robot, medical industry, communications industry, outdoor sport products, smart appliances etc, our main products are stainless steel screw, brass screw, steel screw, sems screws, security screws, torx screw, Micro screw, precision screw, nylon patch screw, self tapping screw. Plastic head screw. Electronic screw, chicago screw. Bolt, nuts, and other fasteners, we can provide one-stop fastener customized service for you.