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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Things You Need to Know About Fiber Optic Media Converter

With the expected growth of today’s communications...

CIOE 2022 (T...

A gathering of fiber optic product suppliers and buyers,CIOE 2022 (the 24th China International Optoelectronic Exposition),  will be held from September 7-9, 2022 at Shenzhen World Exhibition and ...

Company News

Affected by the shortage of chips and the fluctuation of raw material prices, the delivery date and price of the products are not stable. Customers in need please arrange to place orders in advance.

Industry News

On August 7, the Security Transmission Security Department of the National Radio and Television Administration held a symposium in Beijing to discuss the relevant recommendations of China Radio and...

Company News

In September 2020, Hangzhou Zongju Optical Equipment Co., Ltd. officially opened a new website www.zongjutech.com Our new website will present more and richer products to everyone, so stay tuned!

Things You N...

Things You Need to Know About Fiber Optic Media Converter With the expected growth of today’s communications, network operators must meet the continuing growth in data traffic and the increasing de...