about us


what we do

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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2023 The 24th China International Optoelectronics Expo

As a comprehensive exhibition of the photoelectric industry with great scale and influence, the seven exhibitions in the same period of the 24th China International Optoelectronics Expo cover informat

2023 The 24th C

As a comprehensive exhibition of the photoelectric

SFP modules

The SFP module has become the mainstay of modern n

The 29th CCBN20

From April 19th to April 21st, the 29th China Inte

High-quality an

The company launched a very cost-effective optical

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