Group 1 - The core viewpoint of the article is that China Shipbuilding (600150) engages in financial derivative transactions primarily to manage risks associated with currency fluctuations [1] - The company conducts hedging activities based on real trade to mitigate the impact of exchange rate volatility, thereby stabilizing revenue and costs [1] - This approach allows the company to reduce risk exposure and partially avoid the risks associated with currency fluctuations [1]