We are the professional manufacturer of CNG/LPG ECU in China,our products have passed ECER110,R67 certificate with ... high quality We are the professional manufacturer of ECU in China,our products have passed ECER110,R67 certificate with ... gas, adjustment curve width.Technical specifications:Working voltage: 12VDC ± 10%Working temperature: -40 °C ~ +120 °C ECU in CNG/LPG sequential kits ...