• March 03, 2025

Recently, our company has made a breakthrough in scientific and technological achievements and successfully won the evaluation of "25G SFP28 80km Dual Fiber and BIDI for 5G Communication" as a leading scientific and technological achievement in China. This scientific and technological achievement represents an important progress of ETU-LINK in the field of optical communications, and is also a concrete manifestation of our commitment to technological innovation and serving the society. With the application and promotion of this product technology, it will further accelerate the construction and popularization of 5G networks and bring users a better and more efficient communication experience.   25G SFP28 80km Dual-fiberTechnology With its high-speed and long-distance transmission characteristics, provides a solid guarantee for the large-scale coverage of 5G communication networks. In long-distance communication links, data can still be transmitted stably and efficiently, greatly reducing signal attenuation and transmission delay, ensuring fast and accurate transmission of information. BIDI technology cleverly uses a single optical fiber to achieve bidirectional data transmission, which not only saves optical fiber resources and reduces wiring costs, but also improves the efficiency of optical fiber use. This advantage is particularly obvious in resource-constrained urban environments. This Achievement Has a Wide Range of Application Scenarios In the construction of smart cities, it can enable high-speed interconnection in all corners of the city and improve the level of intelligent urban management; in the field of telemedicine, it can achieve high-definition, real-time medical image transmission, making expert remote consultation possible; in the field of industrial Internet, it can help factories achieve efficient communication between equipment and promote the development of intelligent m anufacturing.   ETU-LINK has always adhered to the concept of innovation-driven development and continuously explored new boundaries of optical communication technology. The achievement of this scientific and technological achievement (25G SFP28 80km dual-fiber and BIDI for 5G communication) is a strong proof of the company's R&D and technical strength. In the future, the company will further accelerate the promotion and application of scientific research results, use technological innovation as a strong engine, and drive the company to move forward at full speed towards the channel of high-quality development.

• April 04, 2023

Dear customers and all colleagues： The Qingming Festival in 2023 is approaching. In accordance with relevant national holiday regulations and taking into account the actual situation of the company, we hereby notify you of the holiday matters as follows: 1、 Holiday time On April 5, 2023, there will be a one day holiday. During the holiday, orders will not be closed and business contacts will not be interrupted! Welcome to inquire and place orders, customer first! ETU-LINK wishes everyone a happy and healthy Qingming holiday! Shenzhen Yitianguang Communication Co., Ltd April 4, 2023

• January 25, 2021

2021 Spring Festival Holiday Notice Dear All, 2021 Chinese New Year is coming soon! According to the State Council General Office arrangement about 2021 holiday, combining company situation, below are the arrangement of the Spring festival holiday for your reference: The vacation for the Spring festival holiday is from 7th February to 18th February, 12 days in total, will back office on 19th February. Before holiday , please make sure that the air-conditioning, equipment, lighting, electrical power windows and doors should be closed, also arrange your work in advance. If urgent business matters please call +86-158 9985 5370! Happy Chinese New Year! Thanks! ETU-Link Technology Co., LTD 25th January, 2021