... CO,Test report.Soft,smooth... Annealed black iron wire Feature:bright,soft,flexible to bind,smooth surface,good ... tenacity.Process:Wire rod--drawn wire--annealed wire.We had exported them to India, ... first,best quality.We also can provide:Certificate of Origin,Test report from Mill and other special ... AT SYZ-WIREMESH DOT COM lowest price of soft annealed black iron wire