DongHua Testing Technology Co. , Ltd. manufactures and sells structural mechanics performance test systems in China. The company also provides structural mechanics performance tests, such as multi-channel dynamic signal test and analysis systems, stress strain test analysis systems, portable test analysis systems, signal analysis systems, rugged dynamic signal test and analysis systems, wireless signal test and analysis systems, isolated signal test and analysis systems, bridge modal test systems, online monitoring and analysis systems, experimental teaching systems, and accessory products. It also offers software products, which include basic analysis, engineering application, order analysis, acoustic analysis, modal analysis, bridge analysis, and secondary development modules, as well as online monitoring software platform. In addition, the company provides sensor products, such as speed, strain, and pressure sensors; accelerometers; motion detectors; and force hammers. Its products are used in scientific research, testing, teaching, equipment manufacturing, and other fields. DongHua Testing Technology Co. , Ltd. was founded in 1993 and is headquartered in Jingjiang, China.