... 2.Factory direct 3.design pressure 1.77Mpa 58.5CBM LPG semi trailer with insulation panel1.BPW or FUWA axles 2 ... ,single fluid two valve box. hydraulic legs, traction pin, liquid Indicator,pressure gauge,temperature gauge,emergency cut-off valve,valve box ... factory is a professional manufacturer for LPG tank truck, LPG trailer, LPG storage tank in China. 58.5CBM LPG semi trailer with insulation panel