About Sumec
sumec steel is top 5 steel material exporter in china, can supply high quality steel material bellow: crc: 0.3-3.0mm gi: 0.11-6.0mm ppgi: 0.11-2.0mm round bar: 13-800mm our main mark... Read more
sumec steel is top 5 steel material exporter in china, can supply high quality steel material bellow: crc: 0.3-3.0mm gi: 0.11-6.0mm ppgi: 0.11-2.0mm round bar: 13-800mm our main mark... Read more