On May 28, accompanied by President Wang Jianyi, the Vice-Chairman of All-China Industrial and Commercial Union Zhang Longzhi and his team visited the whole process of preformed bar of optical fiber, optical fiber and optical cable production of the company. Zhang Longzhi fully affirmed that the company actively researched and developed preformed bar of optical fiber technology with independent intellectual property and put it into mass production. At the same time, he wishes that the company can continue strengthen efforts for independent innovation to make its own contribution in development of China’s informatization.