Qingdao winfar logistics co. Ltd. Is a corporation includes manufacturing, trading and logistics. Our products of hfc broadband optic transmission equipments include 1310nm& 1550nm optical transmitter, edfa, optical receiver, optic node, and distribution amplifier. Our products have been widely distributed in china. In 2000, we introduced advanced edfa technology from us and developed our self-owned intellectual property technology for 1550nm edfa. We provide optic transmission equipments with good quality at a fully competitive price. Aiming at the principal of providing custom-oriented service, maintaining advanced technology and producing qualified products, winfar devotes itself to the development of national communications technology and communications industry, and committed to manufacturing products whether 'in-house' or OEM contracting with the highest value in performance, cost, quality and service.