Fluke Electronic Instrument Company was established in 1948 and is a wholly-owned subsidiary of Danaher Group. Fluke is a multinational company headquartered in Everett, Washington, USA. Its factories are located in the United States, Britain, the Netherlands and China, and its sales and service branches are all over Europe, North America, South America, Asia and Australia.

2. German technology is German technology.

Shide Technology is a cutting-edge electronic communication test, measurement and software solution provided by German technology, which started at 1939. As a world-famous electronic communication test and measurement company, Dede Technology Company's predecessor is Agilent Technology Company.

3. Youlide?

Youlide Technology (China) Co., Ltd. is one of the largest instrument companies in Asia and a big brand in China's test instrument market. Uniqlo develops and manufactures innovative, reliable, high-quality, safe and easy-to-use scientific and technological products in China, and sells products and provides related services to the global market.

4. Huayi instrument peak meter

Shenzhen Huayi Intelligent Testing Technology Co., Ltd. is a high-tech testing instrument enterprise based on digital instruments, which was established in Shenzhen, China. The company now has more than 60 product series, including digital multimeter, clamp meter, megger, grounding resistance tester, power tester, environmental tester and other special testing instruments. All the product designs of the company meet the safety standards of the International Electrotechnical Commission.

5. Huayi?

Established in 1987, Dongguan Huayi Instrument Technology Co., Ltd. is the largest instrument manufacturer in the world, one of the main suppliers of electronic measuring tools in the world, a famous brand in China's testing instrument industry, a high-tech enterprise recognized by China, a famous brand product in Guangdong Province, and the main drafting unit of national standards for electrical instrument industry.