As a professional manufacturer for fasteners with over 8 years experience in China , BOITO produced all kinds of screws such as self drilling screw, self tapping screw, bi-metal screw, type 17, drywall screw, chipboard screw concrete screw, etc with the standard of DIN, IFI, ISO, GB,AS,BWS,JIS and your design is also welcomed. We have perfect quality control system for the high quality. We are sure our product will be popular in your country due to reliable quality, competitive price, prompt delivery and considerate service for you. Welcome to our plant for a visitting and looking forward to your enquiry.