WindSun Science & Technology Co., Ltd. (FGI) is a national high-tech enterprise affiliated with Shandong Energy Group, specializing in power electronics energy-saving control technology, and integrating R&D, production, sales and services into a whole. On April 13,2021, FGI went public on The Science and Technology Innovation Board. Stock code: 688663.
The state-owned Radio Factory in Wenshang was established, and more than ten well-known university graduates, including Li Ruilai, were assigned here to develop and produce (military) transmitters, and had produced radios, pulse signal generators, band-pass filters, piling testers, cashmere moisture detectors, automatic telephone billing devices, etc. And the piling testers were of excellent quality and well-known among them in China, and continued to be produced until 1990. The improved model of 3866 signal generator is still in production today.
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