Gas Meter, Energy Meter, IC Card Prepaid Meter manufacturer / supplier in China, offering IC Card Prepayment Prepaid Gas Meter, AMR, GPRS Wireless (G1.6, G2.5, G4), LXSZ Smart, AMR, GPRS Wireless, IC Card Prepaid Prepayment Water Meter, Activity Flat-Topped Wheel Casters, PU/PA/Nylon Casters, Brake (MB7532PA) and so on.