智光电气：公司业务中以铜为主要原材料的主要是岭南电缆公司

Group 1 - The core viewpoint of the article is that Zhiguang Electric (002169) has implemented hedging strategies to mitigate the impact of price fluctuations in key raw materials, particularly copper and aluminum [1] Group 2 - Zhiguang Electric's main business relies on copper as a primary raw material, specifically through its subsidiary Lingnan Cable Company [1] - The company has acknowledged the volatility in the prices of copper and aluminum and has taken proactive measures to stabilize its operations [1]