Hemco Gage is the largest chrome-plated gauge manufacturer in the United States. The service life of the chrome-plated gauge is 4 times longer than that of the gauge made of ordinary steel tool steel. At the same time, hemco gage is one of the two manufacturers in the United States that can produce oil calibration gauges, and its manufacturing and testing capabilities are beyond doubt. LP thread gauge is the abbreviation of oil pipeline thread gauge line pipe thread gauge. It is divided into LP thread plug gauge and LP thread ring gauge. In the process of use, it is to measure whether the thread on the workpiece is qualified by detecting the tight distance.