Information
45 Magokjungang 8-ro 7-gil, Gangseo-gu, Seoul, South Korea
+82 2-338-2984
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Overview
- Summary
- Coweaver Co., Ltd. is a specialized optical transmission equipment company established in February 2000 and listed on KOSDAQ in November 2001. The company has grown by independently developing and supplying core optical transmission equipment to major domestic telecommunication carriers. Since 2006, it has expanded its supply lines to central and local government departments, public institutions, finance, and general enterprises, maintaining its leading position in the domestic optical transmission equipment market. Recently, the company is focusing on developing AI and quantum-encrypted security solutions, targeting the next-generation communication infrastructure market.Coweaver Co., Ltd. is a specialized optical transmission equipment company established in February 2000 and listed on KOSDAQ in November 2001. The company has grown by independently developing and supplying core optical transmission equipment to major domestic telecommunication carriers. Since 2006, it has expanded its supply lines to central and local government departments, public institutions, finance, and general enterprises, maintaining its leading position in the domestic optical transmission equipment market. Recently, the company is focusing on developing AI and quantum-encrypted security solutions, targeting the next-generation communication infrastructure market.
- Key Products/Technologies
- Multi-Service Provisioning Platform (MSPP) products include backbone MSPP models such as UTRANS-1664 and UTRANS-3264, and access MSPP models from UTRANS-1010 to UTRANS-1070s.Multi-Service Provisioning Platform (MSPP) products include backbone MSPP models such as UTRANS-1664 and UTRANS-3264, and access MSPP models from UTRANS-1010 to UTRANS-1070s.
- Packet Transport Network (PTN) equipment, based on MPLS-TP technology, offers various transmission solutions, including the high-capacity UTRANS-7200 model.Packet Transport Network (PTN) equipment, based on MPLS-TP technology, offers various transmission solutions, including the high-capacity UTRANS-7200 model.
- Wavelength Division Multiplexing (WDM) and Reconfigurable Optical Add-Drop Multiplexer (ROADM) devices, including the UTRANS-6000 series, support 1Tbps ultra-high-speed transmission, utilized for AI and cloud infrastructure construction as next-generation equipment.Wavelength Division Multiplexing (WDM) and Reconfigurable Optical Add-Drop Multiplexer (ROADM) devices, including the UTRANS-6000 series, support 1Tbps ultra-high-speed transmission, utilized for AI and cloud infrastructure construction as next-generation equipment.
- Quantum Encrypted Communication Equipment (QENC) supports 1G/10G/100G transmission speeds and incorporates a hybrid key exchange method that meets the National Intelligence Service's quantum product security requirements.Quantum Encrypted Communication Equipment (QENC) supports 1G/10G/100G transmission speeds and incorporates a hybrid key exchange method that meets the National Intelligence Service's quantum product security requirements.
- Quantum Key Distribution (QKD) equipment, developed with purely domestic technology transferred from KT, offers a transmission distance of over 80km and supports 1:N network configurations.Quantum Key Distribution (QKD) equipment, developed with purely domestic technology transferred from KT, offers a transmission distance of over 80km and supports 1:N network configurations.
- Post-Quantum Cryptography (PQC) technology applied to transmission equipment generates and distributes keys using mathematical challenges resistant to quantum computer operations, adhering to NIST FIPS 203 and 204 standards.Post-Quantum Cryptography (PQC) technology applied to transmission equipment generates and distributes keys using mathematical challenges resistant to quantum computer operations, adhering to NIST FIPS 203 and 204 standards.
- The company also possesses a diverse range of wired communication equipment, including POTN, SGPON, optical terminal devices, optical line management devices, voice multiplexers (Channel series), digital clock supply devices (DOTS), subscriber dedicated line devices (SOFT-2E1, SOFT-8E1, I-MUX, S-EOP), and CCTV transmission devices (CTV-C/R).The company also possesses a diverse range of wired communication equipment, including POTN, SGPON, optical terminal devices, optical line management devices, voice multiplexers (Channel series), digital clock supply devices (DOTS), subscriber dedicated line devices (SOFT-2E1, SOFT-8E1, I-MUX, S-EOP), and CCTV transmission devices (CTV-C/R).
- Core Advantages
- A pioneering role in localizing optical transmission equipment, which was predominantly foreign-made, contributing to the establishment of domestic communication network infrastructure.A pioneering role in localizing optical transmission equipment, which was predominantly foreign-made, contributing to the establishment of domestic communication network infrastructure.
- A comprehensive product lineup including MSPP, PTN, and ROADM optical transmission equipment, enabling the company to meet diverse customer requirements.A comprehensive product lineup including MSPP, PTN, and ROADM optical transmission equipment, enabling the company to meet diverse customer requirements.
- Proactive development and national certification of next-generation technologies such as quantum-encrypted communication (QKD, PQC) and 1Tbps ultra-high-speed optical transmission equipment, securing a strong competitive edge in the future communication market.Proactive development and national certification of next-generation technologies such as quantum-encrypted communication (QKD, PQC) and 1Tbps ultra-high-speed optical transmission equipment, securing a strong competitive edge in the future communication market.
- A stable B2B/B2G customer base, including major domestic telecommunication carriers like KT, LG U+, and SKT/B, as well as public institutions and financial organizations.A stable B2B/B2G customer base, including major domestic telecommunication carriers like KT, LG U+, and SKT/B, as well as public institutions and financial organizations.
- A dedicated R&D workforce comprising 36% of its total employees, operating a corporate research institute and collaborating with external organizations like ETRI for continuous technological innovation and building technological entry barriers.A dedicated R&D workforce comprising 36% of its total employees, operating a corporate research institute and collaborating with external organizations like ETRI for continuous technological innovation and building technological entry barriers.
- Maintaining a stable financial structure with a low debt ratio (approximately 16.1% as of late 2025) and low CAPEX (5-year average of 538 million KRW), demonstrating the capability to aggressively invest in R&D even during periods of high interest rates.Maintaining a stable financial structure with a low debt ratio (approximately 16.1% as of late 2025) and low CAPEX (5-year average of 538 million KRW), demonstrating the capability to aggressively invest in R&D even during periods of high interest rates.
- Target Industrie
- Core and backbone network construction and advancement for telecommunication carriers (e.g., KT, LG U+, SKT/B).Core and backbone network construction and advancement for telecommunication carriers (e.g., KT, LG U+, SKT/B).
- Communication infrastructure establishment and security enhancement for central and local government departments and public institutions.Communication infrastructure establishment and security enhancement for central and local government departments and public institutions.
- Secure and stable communication network construction for financial institutions.Secure and stable communication network construction for financial institutions.
- Processing large-volume data traffic and achieving low-latency transmission in AI infrastructure and cloud service environments.Processing large-volume data traffic and achieving low-latency transmission in AI infrastructure and cloud service environments.
- Communication networks for transportation infrastructure, including Korea Expressway Corporation and Korea National Railway.Communication networks for transportation infrastructure, including Korea Expressway Corporation and Korea National Railway.
- Detection of one-way delay between protective relays for improving power system stability.Detection of one-way delay between protective relays for improving power system stability.
- Major Markets
- South Korea, Middle East, China, Southeast Asia, Myanmar (backbone network project)South Korea, Middle East, China, Southeast Asia, Myanmar (backbone network project)
- Certifications/Patents
- Acquisition of national public certification for 1G/10G/100G quantum-encrypted communication equipment (QENC), a first in Korea.Acquisition of national public certification for 1G/10G/100G quantum-encrypted communication equipment (QENC), a first in Korea.
- First Korean company to obtain national public security certification for Quantum Key Distribution (QKD) equipment, meeting the National Intelligence Service's security requirements.First Korean company to obtain national public security certification for Quantum Key Distribution (QKD) equipment, meeting the National Intelligence Service's security requirements.
- PQC integrated API embedded QENC received national public certification in February 2024, leading to its commercialization.PQC integrated API embedded QENC received national public certification in February 2024, leading to its commercialization.
- The key exchange and digital signature algorithms provided by the PQC server comply with the U.S. NIST FIPS 203 and FIPS 204 standards, ensuring technical reliability.The key exchange and digital signature algorithms provided by the PQC server comply with the U.S. NIST FIPS 203 and FIPS 204 standards, ensuring technical reliability.
- Securing operational performance records for 1Tbps ROADM equipment in the National Next-Generation Network Testbed (KOREN) from the National Information Society Agency (NIA), a testament to its verified technology.Securing operational performance records for 1Tbps ROADM equipment in the National Next-Generation Network Testbed (KOREN) from the National Information Society Agency (NIA), a testament to its verified technology.
- Establishment of technological entry barriers through patent registration for developed technologies, earning domestic and international recognition for its technological prowess.Establishment of technological entry barriers through patent registration for developed technologies, earning domestic and international recognition for its technological prowess.
Introduction
Location
45 Magokjungang 8-ro 7-gil, Gangseo-gu, Seoul, South Korea
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