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Hangzhou Zongju Optical Equipment Co., Ltd. is headquartered in Hangzhou, China. We are a professional supplier specializing in the research and development, manufacturing and sales of optical fiber transmission and telecommunication equipment.

Zongju provides a wide selection of optical fiber equipment. Our main product areas include: CATV optical transmitters, optical fiber amplifiers (EDFA, YEDFA, etc.), optical receivers, PON system OLT and ONU, dispersion compensation modules, optical switches, SAT-IF transmission , Optical fiber media converter, various optical fiber passive components, project installation test tools and instruments, etc. Products are widely used in regional networks, triple play and FTTx, providing the best and most suitable products for global networks.

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Optical fiber communication has become the backbone of modern telecommunication networks, providing unparalleled data transmission speed and reliability. Within this sector, Erbium Doped Fiber Amplifiers (EDFAs) play a critical role in enhancing signal st

What is a doped

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2023 The 24th C

As a comprehensive exhibition of the photoelectric
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SFP modules

The SFP module has become the mainstay of modern n
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