We are a professional screw manufacturer and supplier with 20 years history in shagnhai in China, specializing in self tapping screws, chipboard screws , drywall screws, bolts&nuts, etc. Our factory owns advanced manufacturing equipments introduced from Taiwan such as Head Making machines, Thread Rolling machines, Net Furnace and examing machines like Mirco Hardness Tester and Microstructure Tester. We are ISO (International Quality System) qualified and have exquisite technicians and managers from executive to sales, from technology to production, ensuring us fine qualities of our products and a good market reputation. We believe that we can provide products you want with good qualities and competitive prices!