2024-09-29 Changrong Tech's Lab has been awarded the CNAS certificate
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2024-08-26 Welcome to visit us at CIOE 2024 Booth No. 9B22
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2024-07-30 Welcome to visit us at IDTEX 2024 Booth No.: Hall D2-28A
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2023-06-22 The technology research and development center enable us to be the leading in the industry, to ensure the competitive advantage in the market, to motivate the company to develop and grow.
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2023-05-18 We are one of the high-tech enterprises specializing in research, development, production and sales of optical fiber for 5G communication, various types of indoor and outdoor optical fiber cables.
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