长盈通：预计上半年净利同比增长72.12%-110.33%

Core Viewpoint - Changying Tong (688143.SH) expects a significant increase in net profit for the first half of 2025, projecting a year-on-year growth of 72.12% to 110.33% [1] Financial Performance - The company anticipates a net profit attributable to the parent company between 26.12 million and 31.92 million yuan for the reporting period [1] - This represents a substantial improvement in profitability compared to the same period last year [1] Market Demand and Operations - There is a continuous growth in demand for optical fiber ring devices, which has positively impacted the company's performance [1] - The company has been quick to respond to market needs, focusing on customer-centric strategies and actively expanding production capacity [1] - Internal staff training has been enhanced to support the increased delivery volume of optical fiber ring devices, which has significantly risen compared to the previous year [1]