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In order to regulate unmanned aircraft’s operational flight activities and promote the safe, orderly and healthy development of the unmanned aircraft industry, the Civil Aviation Administration of Chi

On July 13th, a batch of mining unit hydraulic props ordered by merchants in Fugu County, Shanxi Province, and mine flatbed cars ordered by merchants in Ningxia have been loaded and shipped in the Chi

1 Preparation before use First take the instrument out of the case, connect the probe and the host during the thickness test and diameter test, connect the host to the probe and the distance measurin

The electromagnetic radiation detector is composed of a metamaterial absorber, legs and a substrate, and is prepared on a transparent substrate using a surface sacrificial layer process to form a susp

Ultrasonic flaw detection equipment is suitable for ultrasonic testing of round materials such as pipes and bars of various specifications, as well as steel plates, steel belts, and wheels of train wh

Recently, with the formal approval of the State Intellectual Property Office, Shandong Tiandun Security & Rescue Equipment Manufacturing Co., Ltd., a subsidiary of China Coal Group, obtain four tradem