Analysis of Jianglong Shipbuilding (300589) Strong Performance: Driven by Military Industry Sector and Supported by Leading Position

Jianglong Shipbuilding Technology Co., Ltd. (300589) is a leading enterprise in the domestic small and medium-sized boat segment listed on the ChiNext board. Its main business covers the design, construction, and sales of public law enforcement boats and tourism leisure boats [0]. The company has the qualification to produce coast guard boats, and its main customers include the China Coast Guard Logistics Equipment Department. Its equity-participated subsidiary Ao Long Shipbuilding is a leader in the domestic aluminum alloy boat segment [0].
On November 19, 2025, the stock recorded a single-day gain of 20.03%, with a turnover rate of 48.67% and a net inflow of main funds of 195 million yuan [0], showing strong performance. Its rise is mainly driven by the overall strength of the military equipment sector, which saw significant capital inflow on that day, and Jianglong Shipbuilding became one of the stocks with large capital inflow in the sector [7].

1. Sector Linkage Effect
   : The overall upward trend of the military equipment sector provides important support for the company’s stock price, and leading enterprises in sub-sectors are more likely to attract capital [7].
2. Sub-sector Leading Advantage
   : The company’s long-term deep cultivation in the small and medium-sized public law enforcement boat segment and Ao Long Shipbuilding’s leading position in the aluminum alloy boat segment form a differentiated competitive advantage [0].
3. Capital Attention
   : High turnover rate and large net inflow of main funds reflect the market’s strong attention to the short-term performance of the stock [0].

• Risks
  : A high turnover rate of 48.67% indicates extremely high short-term trading activity, which may be accompanied by large fluctuation risks [0]; the overall reduction in margin trading and securities lending balance on the ChiNext board may imply short-term cautious sentiment in the market [2].
• Opportunities
  : If favorable policies for the military equipment sector continue to be released, the company as a sub-sector leader is expected to continue to benefit [7]; the aluminum alloy boat technology advantage of Ao Long Shipbuilding may bring new growth points [0].

The strong performance of Jianglong Shipbuilding is mainly driven by the strength of the military equipment sector, its own leading position in the sub-sector, and concentrated capital inflow. Investors should pay attention to sector policy trends and the company’s subsequent order situation, while noting the fluctuation risks brought by the short-term high turnover rate.