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Shenzhen FNIRSI Technology Co., Ltd. (FNIRSI) was formally established in 2016 and is headquartered in Longhua District, Shenzhen. It is a high-tech company integrating independent development, design, production, sales and high-quality customer service of instruments and devices. The main products are electronic and electrical testing, environmental testing, electric power, surveying and mapping measuring instruments and peripheral tools and equipment and so on, which are widely used in electronic production, home appliance maintenance, automobile maintenance testing, equipment debugging, scientific research and education, product development, power construction and maintenance, mechanical and electrical equipment, household appliances and construction engineering and other fields. A team of engineers with more than 10 years of rich technical experience and an excellent designer team have laid the foundation for the development of FNIRSI. The continuous development of technology has accumulated more comprehensive experience in independent design and development for the company, and successively launched a variety of oscilloscopes and signal generators , USB detectors, transistor testers, nuclear radiation detectors and multimeters, electric soldering irons and other products that are widely recognized by users. We devoted to solving the needs of users with the perspective and solutions of the new era, and giving users more choices and experience. Excellent performance and excellent quality endow users with the strongest backing. Now FNIRSI's devices have been exported to Russia, Ukraine, Belarus, Turkey, Germany, the United Kingdom, Spain, the United States, Brazil, Mexico, Japan, South Korea, New Zealand, and many other countries and regions around the world.