The raw materials for optical transmitter are related to the unique production technology of our products. It can't be unveiled here. Commitment is that the source and quality of raw materials are reliable. We have established long-term relationships with a number of raw material suppliers. Controlling the quality of raw materials is as important as controlling the quality of finished products.

Yantai yunpan international trade Co.,Ltd. is a well-known expert in China power supply equipment field. YUNPAN's sfp optical module series contains multiple sub-products. During formation, data on the cell performance of YUNPAN ethernet transceiver such as capacity and impedance, are gathered and recorded for quality analysis and traceability. The product covers high network system security. Innovation is a core competency allowing YUNPAN to form collaborative partnerships with its customers. It keeps stable under a wide range of operating temperature.

We are devoted to playing an active role in protecting the environment. We sincerely cooperate with the environmental organizations or groups to partake in activities such as lowing carbon footprint during production and minimizing energy consumption.