• July 19. 2017

As a professional optical module manufacturer, in order to provide customers with high-quality products, ETU-Link has powerful device suppliers as a backing. They are the leading manufacturer of high-tech quick turn prototype, high mix, low and medium volume PCB’s in China and worldwide. Their 20 years’ manufacturing experience, the use of Laser-direct Imaging, laser drilling and contouring, high ...

• July 12. 2017

Many people are strange with optical transceivers, they won’t see it in daily life, but it is indispensable to our life. In modern society, people are unhappy if they don't have cell phones. So here comes the question. Do you know where the signal of the cell phone comes from? Let me show you the answer! The answer is in the communications operator's engine room! There are a lot of switch equipmen...

• July 05. 2017

Time has always passed so quickly, unconsciously, I have come to ETU-Link for more than a year. When first day to the company, I was so strange to the environment, colleagues, or the products. With the patient instruction and training of the manager, gradually become familiar with the company's products. The manager's training has changed me a lot, I also got the manager's trust and gave me the im...

• June 13. 2017

Independent innovation, key cross and lead the future, ETU-Link has been committed to accelerating the development road of innovative enterprises. Our R & D team has been keeping on trying, make the pace of innovation more solid and powerful! In this fierce international competition, innovators are the strong. Grasping innovation is grasping development, and seeking innovation means seeking fo...

• June 13. 2017

With the development of optical fiber communication industry, more and more customers begin to pay attention to the stability and reliability of optical transceivers. At present, the optical module are intermingled on the market. In order to make big profits, many manufacturers sell second-hand optical modules, brought great harm and hidden danger to the market. ETU-Link has the responsibility to ...

• May 11. 2017

With the increase in orders, the company's order process has become increasingly institutionalized, standardized. Before to the workshop, the production order audit must be carried out to avoid mistakes, waste manpower, material resources and time, to improve work efficiency. An order seems simple, but still need to pay attention to some of the parameters required. What are the parameters requirem...

• April 21. 2017

Development letter is very important for sales to expand foreign customers. Today we will introduce some main points for your reference. 1.Title A good beginning will attract the attention of customers. The letter should be concise, incisive and clear. Before writing the letter, you must know the general background of the target customers. Such as market, main products, product naming rules and pr...

• December 30. 2019

Today we will introduce the difference between LAN, WAN, MAN, VLAN and VPN. If you are interested in these knowledge, let’s learn about it! Following table compares LAN, MAN and WAN with respect to various networking parameters. Parameters LAN MAN WAN Full Form Local Area Network Metropolitan Area Network Wide Area Network What is it? • Systems are close to each other in LAN  • cont...