... LPG , Chemical, cement, bitumen ,etc. tank container semi-trailer iso tank container Dongte tank container20ft, 40ft oil , LPG , Chemical ... , cement, bitumen ,etc.tank container semi-traileriso tank containerDongte oli ,water bitumen ,LPG , Chemical ... University of Chemical Technology, Wuhan Research Institute of Material Protection, China Association of Rotational Moulding. We ...