What are the major optical fiber and cable manufacturers in China?

The specific optical fiber manufacturing enterprises in China are as follows: \ r \ nDing Tong Optoelectronic: Optical Fiber \ r \ nDing Tong Optoelectronic is an excellent innovative enterprise in the optical fiber industry, and it is the R&D, production, sales and engineering service of communication optical fiber, communication optical fiber, railway signal cable, RF coaxial cable, special optical fiber cable and distributed optical fiber sensing system under Ding Tong Group. The company was established on June 20 10. \ r \ nChangjiang Communication: Communication and Optical Fiber \ r \ nIt has holding subsidiaries Jifei Optical Fiber and Cable Co., Ltd. and Chang Fei Optical Fiber and Cable Co., Ltd., and Changjiang Communication Industry Group Co., Ltd. holds 25% of the shares of Chang Fei Optical Fiber and Cable Co., Ltd. People in the industry believe that to some extent, the light of Chang Fei has overshadowed Changjiang Communication. According to public information, Chang Fei is the only professional manufacturer in China with the integrated scale production capacity of rod making, wire drawing and cable forming, with annual sales approaching 3 billion yuan. Since 1992 was put into production, the production and sales volume of optical fiber and cable products in Chang Fei has been ranked first in China for 16 years. The company's products are also exported to more than 50 countries and regions overseas, becoming the second largest optical fiber manufacturer and the fifth largest optical fiber manufacturer in the world. \ r \ nHengtong Optoelectronics: optical fiber, optical cable, power cable and special communication cable \ r \ nThe company is one of the largest and most comprehensive optical fiber and cable manufacturers in China, with a complete optical fiber industrial chain and supporting products, and the market share of special optical cable ranks second in China. \ r \ nFiberhome communication: optical fiber, optical cable, communication and related communication technologies \ r \ nThe company is a leading enterprise in the optical communication industry, and it is also the only enterprise in China that integrates the three strategic technologies of optical communication equipment, optical cable and network security. The company's competitive position in the optical transmission equipment market is relatively stable. The market size of optical transmission equipment in China is about100-1200 million, which is mainly monopolized by Huawei, ZTE and Fiberhome, of which Fiberhome accounts for about 10%. The annual sales volume of optical cables exceeds 2 million kilometers, ranking second in the industry. \ r \ n Zhongtian Technology: optical fiber, optical cable, cable materials and accessories \ r \ n The company is one of the earliest manufacturers in China to develop and produce optical cables, and it ranks among the best in the domestic optical fiber and cable industry, especially the market share of special optical cables has been the first in the industry for many years. With the spread of 3G construction, telecom operators have accelerated the infrastructure construction, which provides a good opportunity for the development of communication products such as optical fiber, optical cable and radio frequency cable. The company is one of the professional enterprises with the most complete varieties of optical cables in China. The domestic market share of special optical cable is as high as 30% to 40%, and the company will benefit from the construction of smart grid.