yueqing Blue Sky High Science Technologies Co.,ltd.establish in 1999,which specializes in single,three-phase electronic meritorious watt-hour meter,single,three-phase electronic prepaid watt-hour meter,single,three-phase electronic prepaid timesharing watt-hour meter,active and reactive combinaton watt-hour meter,mult-rate andmult-functional watt-hour meter ,besides our company also provide circuit board moduled and SMT processing,OEM service