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Weifang-based Tianrui Guangdian makes optical fibre preprocessing equipment and fibre optic sensing solutions.
Established in 2014 and based in Weifang, China, Tianrui Guangdian researches, develops and manufactures optical fibre communication products. Its range includes fibre coating machines, extinction ratio testers, polarization-maintaining fusion splicers, all-fibre current transformers and fibre lasers, used in aerospace, power grid and petrochemical fields. In January 2015 the company closed angel funding from new investor TusStar. It is at the Series A stage.
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