... T6892GB5237GJB25071x,3x,5x seriesH112,O,F10320GB/T6892GJB2507Large size industrial ProfilesVarietyAlloyTemperCircumcircle DiametermmAdopted StandardMin.Max.Industrial profile1x,2x,5x,6x,7x seriesH112100530GBn2221x,2x, ... -frame curtain wall110,130,150,160,170,210,220Special profile productVarietyAlloyTemperCircumcircle DiametermmStandardMin.Max.Metro profile6005A,7005T6180640GB/T19347High-speed train ...