Luoyang electronic scales can go to Luoyang Quality and Technical Supervision and Inspection Center for annual inspection. According to the inquiry page, Luoyang Quality and Technical Supervision and Inspection Center is the only quality and technical supervision and inspection institution in Luoyang, with perfect testing equipment and professional technicians, which can provide professional electronic weighing testing services. The center has advanced testing instruments and equipment, which can conduct comprehensive testing of Luoyang jianxi district electronic scale, including precision testing, stability testing and environmental testing. After the test is completed, the center will issue a test report to prove that the quality of the electronic scale meets the national standards.