ry the worldHaiyan High Strength Fastening Parts Co.,Ltd has grown rapidly over the last 23 years(Since 1987) to become a reputable supplier of quality fastener.Our experience in making lathe-made and cold forging fastener has established us as a most reliable supplier of various types of fasteners.?Today,our customer base has grown to sonsist of hundreds of both domestic China and foreign companies,including some renowned global corporate in their various of programs as an approved vendorWe ar