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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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The Comprehensive Guide to Mini Optical Amplifiers at 1550nm

Introduction In the ever-evolving world of optical communication, the demand for efficient, reliable, and high-performance optical amplifiers is undeniable. With the rise of fiber optic networks, the deployment of Fiber Amplifier 1550nm technology has bec

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Advanced Optica

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Understanding F

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The Future of C

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