Rigol Technologies Co., Ltd. (Ticker: 537 HK) is a Chinese electronic test and measurement instrument company. The company designs, develops, manufactures and sells instruments including digital oscilloscopes, waveform generators, spectrum analyzers, multimeters, microwave and radio frequency instruments, DC and precision instruments, modular instruments, and related measurement solutions. Its products are used to test and verify electronic devices and components across sectors including communications, new energy, semiconductors, education and research.

Rigol Technologies plans to list H shares on the Hong Kong Stock Exchange on July 9, 2026. According to the published terms, the company is offering 24.80 million primary shares at an expected IPO price of HKD 45.98 per share, targeting an offer size of approximately HKD 1.14 billion, or about US$145 million. No greenshoe facility is indicated in the terms provided.

The company is domiciled in China and markets its products worldwide. According to the prospectus summary, Rigol served more than 100,000 end customers across over 90 countries and regions under the RIGOL brand.