For the detailed answer to this question, you'd better contact our staff. In general, olt optical line terminal can enjoy an extended warranty service at Yantai yunpan international trade Co.,Ltd.. An extended warranty, sometimes called a service agreement, or a maintenance agreement is a prolonged warranty offered to customers in addition to the standard warranty on new items. It covers the cost of replacement or repair of the product, if it is caused due to a manufacturing defect or poor workmanship. However, it may not cover anything other than failure from normal usage, or the abuse, and malicious destruction. So, to make the product enjoy the extended warranty service, the prerequisite for customers is to take good care of the product and use it in accordance with the instructions given by the manufacturer.

YUNPAN is well-known and popular in the area of power supply equipment. Various in styles, YUNPAN's epon onu can meet the needs of different customers. The design of YUNPAN transmission equipment is completed by a dedicated technical team of CAD/CAM designers and structural engineers who try to design a long-lasting tent. The product is widely known for its low power consumption. For these years, our team has expanded its manufacturing capacity and research and development facilities. The product is widely known for its low power consumption.

We act proactively to fight against negative environmental issues. We have set up plans and hope to reduce water pollution, gas emissions, and waste discharge.