... length 190-3400 2.Used in mining,cement,steel,harbor,etc 3.Certificate:CE,ISO,BV, ... 219,length 190-3400,used in mining,cement,steel,harbor,etc. Standard:ISO,CEMA,DIN,JIS. ... 219,length 190-34002.Used in mining,cement,steel,harbor,etc3.Standard:ISO,CEMA,DIN,JIS4. ... 190-3400mm, which are used in the steel industry, harbor, coal industry, power industry, cement industry, etc2.Tube: Q2353.Shaft: 45# STEEL5 ...