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Yangtze Optical Electronic Co. Ltd. A

Yangtze Optical Electronic Co., Ltd. engages in the research and development, production, and sale of special optical fiber and cables, special optical devices, new materials, high-end equipment, and photoelectric systems in China. It offers optic fiber coils, optical modules, and optical devices; PANDA polarization maintaining fiber for FOG coiling, FOG waveguide, communications, and maintaining fibers; bend sensitive single-mode, coupling SM, special cut-off wavelength SM, spun, photonic crystal optic, PM photonic crystal optic, hollow-core photonic crystal, polymer cladding large-core, quartz cladding large-core, square core, ytterbium doped, passive matching, multi-core, and customized fibers; and fluorine-doped capillary tubes, SM fiber preforms, boron-doped stress rods, large-core preforms, fluorine doped quartz tubes, and custom glass special-shaped preforms. The company also provides special optic fiber and optic fiber coil manufacturing equipment, supporting equipment for fiber lasers, supporting equipment for optic fiber hydrophones, and other customized equipment; and new materials, thermal control modules, and thermal control phase-change materials. The company's products are used in military and civilian industries. Yangtze Optical Electronic Co., Ltd. was founded in 2010 and is based in Wuhan, China.

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688143.CG▼

Changyingtong's 2026 Interim Report Shows Net Profit Down 48.42% Year-on-Year

Changyingtong released its 2026 interim report, with net profit attributable to the parent company at 15.0141 million yuan, down 48.42% from the same period last year. Total operating revenue was 216 million yuan, and net cash inflow from operating activities was 10.2666 million yuan. The latest asset-liability ratio was 31.43%, up 7.71 percentage points from the same period last year; gross margin was 43.96%, down 8.69 percentage points year-on-year. Diluted earnings per share were 0.12 yuan, down 50.00% from the same period last year.
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Communication equipment concept strengthens intraday; Allied hits limit up

On August 14, the communication equipment concept rose 3.09% intraday. Allied gained 20.00%, Changyingtong rose 13.38%, Gongjin Electronics rose 10.03%, Datang Telecom rose 9.96%, and Cambridge Technology rose 8.94%. On the news front, according to Xinwen Lianbo, since the beginning of this year China has accelerated the construction of a new generation of communication networks and continued to improve the integrated air-space-ground-sea information and communication layout. A research report from Western Securities pointed out that in 2026, the communication equipment industry is showing a structural expansion trend under the resonance of multiple factors, including the deepening of 5G-A and 6G deployment, a 7% increase in defense budgets, accelerated development of commercial aerospace, and AI-driven data center capacity expansion. A research report from Everbright Securities pointed out that capital expenditure of leading optical module manufacturers in the first quarter of 2026 surged 300% year-on-year, significantly boosting demand for upstream optical communication equipment, high-speed connectors, and precision structural components.
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