NINGBO GEOBO HARDWARE. , LTD. with professional products and quality equipment under ISO9001 cert demand. ‚has 10000 tons of annual capacity of screws, and bolts. We have 20 years of experience and the advantage of outdoor fasteners for PV systems, roofing systems, facade systems, and floor systems. We focus our strengths on supplying qualified fasteners to save energy, resist water and rust,to better your life.