Our company, Shenzhen Star Instrument Co., ltd., is the largest professional manufacturer of utility meters in China, and we have 15 years experience in metering industry. Our production base covers over 100,000 square meters in Shenzhen city, and our products energy meter, water meter and gas meter have been sold to over 50 countries. For gas meter, we have three series, they are: domestic diaphragm gas meter, IC card prepayment gas meter, and Remote-reading gas meter. For more details, please visit our company website: ***/english