We are a diversified company that integrates the agency sales of instruments and meters, the provision of testing solutions, pre-sales and after-sales technical support, and the maintenance of instruments and meters. Committed to providing professional and complete testing solutions for customers in the fields of audio and video. Our sales personnel have many years of experience in the instrument industry and are able to provide professional advice and analysis to customers; Our technical engineers have many years of professional background and provide technical support and training to customers. Main products: digital/analog TV central signal source, TV signal generator, audio and video analyzer, safety tester, EMC tester, and other testing instruments. We adhere to the business philosophy of "professionalism, speed, and flexibility" and adhere to the principle of "customer first" to provide high-quality services to our customers.