boat nail: 1size:1/2"*12-1/4" 2standard:AREA 3finish:zinc-plated 4materials:Q235 AREA 1/2"*12-1/4" Round head spike/ boat nail Details ... etc. 8We can produce by customer's drawings9Certificate:ISO9001:2008,SGS Our strength on exporting:1.Our company (Suzhou Sudelan Railway Parts ... being used. We exported to world markets, such as U.S.A., Canada, Cuba, Germany, Japan, Singapore, Malaysia and Africa and ...