We can manufacture gas drying tower ,drying tubes and all kinds ... are in good sales in USA, Italy, Spain, Russia, Ukraine, Iran, Brazil, Argentina etc, and enjoy very good ... reputation.we can manufacture gas drying tower,drying tubes and desiccators with good quality ... washing bottle and etc.For gas drying tower,the spes is as following:1311 GAS DRYING TOWER CapacityO.D. ...