sales of precision fasteners products.we are in shenzhen colse to HongKong. We have been export for many years, so we know clearly about export standard. and our product standards cover national standard (GB), American standard (ANSI/ASTM), German standard (DIN) and industry standards (SH, HG, H, JB, GD). we also good at produce these fasteners according your ***** products have widely used in aircraft, ships, automobiles, machinery, furniture and many other field. Our business concept is Existence By Quality Development By Credit. Now, we are a certificated company by ISO9001 and the gold medal supplyer at Alibaba. com. We think we can provide you the more excellent quality, more competitive price and more perfact service. If we can help you, please contract us .