Has the world advanced level in fastener production equipment, professional production and marketing Germany standard (DIN), American standard (ANSI), international standard (ISO) and nonstandard parts.We have plenty stock of Aluminum alloy fasteners, include Aluminium hex bolts, Aluminium hex socket screws, Aluminium machine screws, Aluminium hex nut, Big stock on high tensile products of grade 12.9,10.9 and so on.