... Port or Shanghai PortPlace of OriginHangzhou, China, (near Yiwu)Concrete Nail Test Concrete Nail Packaging1. Normal packing: 100pcs/box ... in factorySince 1994Our factory is located in Hangzhou, near YIWU.20 years focus on concrete nails,Professional manufacturer in ... concrete nails with thick flat head, fluted shank, philippines market, heavy carton, good qualtiy manufacturing, RUNNAIL is well-known ...