大东南：公司子公司宁波万象的高端电容膜产品应用于光伏逆变器等新能源领

Core Viewpoint - The company, Dazhongnan (002263), has shifted its focus from producing photovoltaic backsheet base films to other functional polyester film products due to significant changes in the photovoltaic market [1] Group 1: Company Operations - The photovoltaic backsheet base film was once a main business of the company's subsidiary, Hangzhou Gaoke, with a monthly production capacity exceeding 1,000 tons [1] - The company has categorized "research and development of PET films for photovoltaic backsheets" as a high-tech reserve project internally [1] Group 2: Product Applications - The company's subsidiary, Ningbo Wanxiang, produces high-end capacitor films that are applied in photovoltaic inverters and other new energy fields [1]