Embossed Square Steel Pipes - hbsinostar ( China ) - Offers to Sell and Export - Wednesday 20 September 2017 3:20 am - embossed square steel pipes embossed square steel pipes details thickness range 1 0 1 8mm outer diameter 20x20 80x80mm 20*40 50 100mm length 4 12m zinc 40 220 amp #956...