Harbin LLT Electronic Co.,Ltd. was established in 1998 and is specialized in designing/ producing /selling the subsystem equipments of the electric power system and provide relative technology support. We have designed and sold many products and got a good reputation for high quality, wonderful technological support and after-sales service. We have all kinds of single phase and three phase electrical energy meters, intelligent water meters, power line carrier telemeter system, prepayment energy meters and concentrated copying type. We can also design and manufacture products as per your specified requirements.