Being supported by an highly developed and skilled IT group, we could offer you technical support on pre-sales & after-sales support for Parallel Pins, Self-Locking Counter Nuts, Square Nuts, Hot Dip Galvanized Steel U Bolt,Retaining Washers For Shafts. Our Lab now is "National Lab of diesel engine turbo technology " , and we own a professional R&D team and complete testing facility. The product will supply to all over the world, such as Europe, America, Australia,Vietnam, Iraq,Paraguay, Amsterdam.We now have to continue to uphold the "quality, detailed, efficient" business philosophy of "honest, responsible, innovative"spirit of service, abide by the contract and abide by reputation, first-class goods and improve service welcome overseas customers patrons.