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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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What are fiber amplifiers used for?

In the ever-evolving realm of telecommunications, maintaining a high-quality signal over vast distances is a paramount challenge. Central to overcoming this challenge is the use of optical fiber amplifiers, particularly the 1550nm Optical Fiber Amplifier.

What are fiber

In the ever-evolving realm of telecommunications,
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What is the dif

Understanding Laser and Amplifier Basics ● Defini
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What is erbium-

1. Introduction to Erbium-Doped Fiber Amplifiers (
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What is a doped

Optical fiber communication has become the backbon
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