KaiFeng QingTianWeiYe Flow Instrument Co.,LTD. (original kaifeng qingliu flow instrument Co., LTD) Is a industrial flow meters primarily high-tech joint-stock enterprise, the company located in Huanglong Industrial zone.kaifeng,G310 da-guang, lian-huo high-speed crossing . The traffic is very convenient, the company covers an area of more than twenty thousand square meters, also has a modern comprehensive office building and production workshop.