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...

The global f...

NEW DELHI, April 8, 2022 /PRNewswire/ — According to research conducted by Astute Analytica, the global fiber optic ribbon cable market revenue is expected to grow from USD 2,834.6 million in...

China Radio ...

On the morning of June 6, the China Radio and Television Brand Upgrade and Radio and Television 5G and Converged Business Brand Conference were held in Beijing Gehua Building. After the meeting, th...

The global l...

NEW YORK, United States, June 7, 2022 (GLOBE NEWSWIRE) — The global lithium niobate modulator market is expected to garner $6,542.6 million in revenue, growing at a CAGR of 6.74%, exceeding e...

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.