How about Henan Hitachi Credit Co., Ltd.

Established in 1997, Henan Hitachi letter co., ltd is a company specializing in electric gas meters. At present, the company is in the stage of rapid development, ready to go public, with a certain scale and strength. The company mainly deals in SF6 recovery and purification treatment device, SF6 recovery vehicle, SF6 purity meter, SF6 micro-water meter, SF6 leak detector, hydrogen purity meter, hydrogen leak detector, hydrogen dew point meter, gas distributor, oil product detection analyzer and water quality analyzer. The product quality is very good, and it has a good reputation in the industry.