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About us

HJY(Huajiayu) design and manufacture high quality optical passive components and devices in China, with 6 workshops with over 100 workers to provide up to 50,000 passive components per month production. We helps increase the revenues of customers, especially, we now have good prices since single DWDM filter up to 96 wavelengths AAWG.  Those can send more data over longer distances without interference. 

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  • High-quality products

    Industry-leading product quality

  • Professional Service

    Professional Sales Representative Tracking Service

  • Quick Response

    Standby Inventory, Quick Delivery

  • No worries about returning or exchanging

    Product problems, support returning or exchanging goods

FEATURED PRODUCTS
2CH Dual & Single Fiber CWDM OADM
2CH Dual & Single Fiber CWDM OADM
Features◈One Fiber working◈Flexible OADM networking◈No electric power required◈Low Insertion Loss◈Dual-sided East and West◈Wide Operating Wavelength◈Wide Operating Temperature: -20 to 70°C Applicat……
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1x2 CWDM Filter Devices 1270~1610nm
1x2 CWDM Filter Devices 1270~1610nm
1x2 CWDM Devices are based on thin film filter technology. CWDM technology provides the flexibility ……
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2~18CH CWDM Multiplexer ABS Type
2~18CH CWDM Multiplexer ABS Type
CWDM technology uses ITU standard 20nm spacing between the wavelengths, from 1270nm to 1610nm. Our CWDM module has 2 to 18 channels. The central wavelength of each channel is specified to one of the I……
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Dual Fiber 40CH C21-C60 DWDM MUX DEMUX, With 1310nm and Monitor Port, LC/UPC, 1U Rack
Dual Fiber 40CH C21-C60 DWDM MUX DEMUX, With 1310nm and Monitor Port, LC/UPC, 1U Rack
Features◈100 GHz Channel Spacing◈High Channel Isolation◈Low Insertion Loss◈Highly Stable & Reliable Applications◈Add/Drop Channels◈Dense WDM Systems◈CATV Fiberoptic Links
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Dual Fiber 16CH DWDM MUX DEMUX With Monitor EXP Port, LC/ UPC, 1U 19inch Chassis 1U Rack Mount
Dual Fiber 16CH DWDM MUX DEMUX With Monitor EXP Port, LC/ UPC, 1U 19inch Chassis 1U Rack Mount
The 16ch DWDM MUX DEMUX is designed by HJY, wavelength from C21 to C36(1560.61nm~1548.51nnm), (By the way, we can support customize other waves); in accordance with the ITU-T G.694.1 100GHZ grid, it m……
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Dual Fiber 8CH DWDM MUX DEMUX With Monitor EXP Port, LC/ UPC, LGX Box, and 2 Slots 1U Rack
Dual Fiber 8CH DWDM MUX DEMUX With Monitor EXP Port, LC/ UPC, LGX Box, and 2 Slots 1U Rack
The 8ch DWDM MUX DEMUX is designed by HJY, wavelength from C20 to C27(1561.42nm~1555.75nm),(By the way, we can support customize other waves); in accordance with the ITU-T G.694.1 100GHZ grid, it maxi……
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FWDM Filter ( Filter Wavelength Division Multiplexer )
FWDM Filter ( Filter Wavelength Division Multiplexer )
Features◈Wide bandwidth◈Low insertion loss◈High channel isolation◈Exceptional reliability and stability Applications◈Optical amplifiers◈CATV
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1X1 Mechanical Optical Switch
1X1 Mechanical Optical Switch
Features◈Wide band operation◈Low insertion loss◈Low PDL◈High cross talk◈High stability and reliabilityPath without epoxy Applications◈WAN◈LaboratoryMonitory & detection application◈OADM
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SOLUTIONS
The Technology and Application of Coarse Wavelength Division Multiplexing(CWDM)
The Technology and Application of Coarse Wavelength Division Multiplexing(CWDM)
Wavelength Division Multiplexing (WDM) technology is an effective way to meet the rapidly increasing bandwidth requirements of transmission networks. Compared with Dense Wavelength Division Multiplexi……
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Expand Fiber Capacity with Multiplexers
Expand Fiber Capacity with Multiplexers
HJY provide CWDM Solution The wavelengths used with CWDM implementations are defined by the ITU-T G.694.2 as eighteen wavelengths from 1270nm to 1610nm with 20nm wavelength spacing. CWDM wavele……
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Examples of CWDM Network Deployment Solution
Examples of CWDM Network Deployment Solution
Based on the same concept of using multiple wavelengths of light on a single fiber, CWDM and DWDM are two important technologies in fiber optical communications. As we all know, although the transmiss……
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The Technology and Application of Coarse Wavelength Division Multiplexing(CWDM)
The Technology and Application of Coarse Wavelength Division Multiplexing(CWDM)
CWDM AND DWDM EXPLAINED Wavelength Division Multiplexing (WDM) allows different data streams to be sent simultaneously over a single optical fiber network. The two key WDM technologies are Coarse W……
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Effective OADM Solutions for CWDM/DWDM Network Systems
Effective OADM Solutions for CWDM/DWDM Network Systems
With the evolution of single wavelength point-to-point transmission lines to wavelength division multiplexed optical networks, wavelength selective OADMs have been introduced. OADM is the acronym of o……
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Capacity Expansion and Flexibility—DWDM Network
Capacity Expansion and Flexibility—DWDM Network
DWDMincreases thebandwidth of an optical fiberby multiplexing several wavelengths onto it. Even though it costs more thanCWDM, it is currently the most popular WDM technology because it offers the mos……
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NEWS & EVENTS
RESOURCES
CONTACT US
Interested in our industrial media converters or managed PoE switches but don’t know where to start your search? Whether you are in need of an 8-port gigabit PoE switch or DIN rail mount PoE switch, we are here to help you find the product that best suits your needs. Feel free to drop us a line, and a member of our team will get in touch with you shortly. For technical support, you can also email us . We are happy to assist!
Visit Us

2F,Hengxin Intelligent Science and Technology Park, Shuikou Sub-district Office, Huicheng District, Huizhou 516000, Guangdong, China

Email Us

sales@huajiayu.com

Call Us

86-18664306976

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R&D Center and Sales Team office
  • 2F,Hengxin Intelligent Science and Technology Park, Shuikou Sub-district Office, Huicheng District, Huizhou 516000, Guangdong, China
  • sales@huajiayu.com
  • 86-18664306976
Production line and warehouse
  • 8F,Hengxin Intelligent Science and Technology Park, Shuikou Sub-district Office, Huicheng District, Huizhou 516000, Guangdong, China
  • info@huajiayu.com
  • 86-18664306976
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