... MWD systems, and in high temperature drilling applications for oil, gas, and geothermal.Technical parameters:Inclination±0.1°Toolface ... products.Company introduction: Established in 2011, Qingdao HNYN Microelectronics Co., Ltd is located in the National High-tech Industrial zone of ... production licenses.Now we are one of the first-grade oil drilling components suppliers for CNPC, Sinopec, CNOOC, CLP ...