If you would like to extend the warranty period of transmission equipment, please consult our Customer Service Department for details. The extended warranty period is the warranty coverage that is initiated after the typical warranty period has expired. It is important to note that you can choose to purchase this warranty before the manufacturer's warranty expires.

Yantai yunpan international trade Co.,Ltd. supplies high quality epon onu and solutions. YUNPAN's sfp optical module series contains multiple sub-products. Its solid-state encapsulation technique makes it more reliable and stable in a high vibration environment. The product is free of the issue of being damaged or destroyed during transportation. With a good insulation housing, it poses no electricity risks. Innovation is a core competency allowing YUNPAN to form collaborative partnerships with its customers. It can be designed with an automatic power shutdown system in case of high temperature.

Our goal is to head ahead of the market competitors. Currently, we will invest more in introducing advanced and high-tech manufacturing facilities which can help improve product quality.