1, scale and establishment time: Chang Fei Optical Fiber and Cable Co., Ltd. is a listed company established for 35 years, with relatively stable scale and financial strength. Changyingtong Optoelectronic Technology Co., Ltd. is a private enterprise established 13 years ago, with a relatively small scale.
2. Business scope: Chang Fei Optical Fiber and Cable Co., Ltd. is mainly engaged in the production and sales of various standard products such as optical fiber preforms, optical fibers and optical cables, which are widely used in the communication industry, with a wide business scope. Changyingtong Optoelectronic Technology Co., Ltd. mainly focuses on R&D and production of special optical fiber cables, special optical devices, new materials and other fields, and its business scope is relatively narrow.