... series products, such as CNG squential injection system(multi-point and single point),Open loop system,CNG reducers, ECU control ... benefits.Our company have got the ISO9001:2008 certificate,and is ready to got ECER110,ECER10,certificate in the ... fully meet the requirements of National Bus Quality Supervision and Inspection Center, with certificate number of QE08WT1K05841. CNG ECU and harness