YOFC is the largest supplier of optical preform, fiber and cable in the world. YOFC produces and sells a variety of standard optical fibre preforms, optical fibres and optical cables widely used in communications industry. In addition, YOFC designs and customizes special optical fibre and cable specified by customers, including integration systems, engineering design and services. The company serves sectors such as utilities, transportation, petrochemical and health care. It provides quality products and services in more than 60 countries around the world. Since it formally went into operation in 1992, its production and sales of optical fibre and cable products has ranked first in China for 24 consecutive years and constantly performs in the top three among global optical fibre and cable manufacturers.