... Factory direct 3.design pressure 1.77Mpa 58.5CBM LPG semi trailer with insulation panel1.BPW or FUWA axles 2.Factory direct3. ... BPW axle, safety valve,single fluid two valve box. hydraulic legs, traction pin, liquid Indicator,pressure gauge,temperature gauge, ... is a professional manufacturer for LPG tank truck, LPG trailer, LPG storage tank in China. 58.5CBM LPG semi trailer with insulation panel