振华科技：目前，公司已实现电容器产品从技术到关键原材料的全面自主可控

Group 1 - The company is a key supplier of core components for satellite manufacturing and rocket launching in China, with products applied in various types of satellites across high, medium, and low orbits [1] - The company has established deep cooperative relationships with clients such as Galaxy Space and Changguang Satellite [1] - The company has achieved comprehensive self-control over capacitor products, from technology to key raw materials, with tantalum capacitors leading in shipment volume in high-end special application fields [1]