301689 (301689 SHE) stock market data APIs

Ceyear Technologies Co., Ltd engages in the research and development of electronic measurement instruments, automatic testing systems, microwave and millimeter wave components, and other electronic products in China. The company offers microwave/millimeter-wave measurement instruments, such as signal generators, signal/spectrum analyzers, network analyzers, noise figure analyzers, microwave power meters, solid-state amplifiers, and RF and microwave comprehensive testers; and opto-electronic measurement instruments, including optical spectrum analyzers, optical fusion splicers, OTDR, optical sources, optical power meters, optical attenuators, and light-wave component analyzers. It also provides communication measurement instruments comprising 5G test instruments and radio communication measurement; fundamental measurement instruments, which includes digital oscilloscopes, programmable power supply, and components test; microwave/millimeter-wave components consisting of passive and active components, and multi-functional modules; and components, such as switches, electric relays, connector and cable modules, metal package tubes, and automotive electronics; and modular measurement instruments, such as VXI bus test modules, PXI bust test modules, and CDCI bus test modules. In addition, the company offers metrology calibration, inspection, and maintenance services. The company's products are used in satellite, communications, navigation, radar, scientific research, education, and other fields. Ceyear Technologies Co., Ltd was founded in 1968 and is headquartered in Qingdao, China.