东莞证券：世运电路业务开拓及产品结构优化，推动上半年业绩增长。

Core Insights - The company, Shiyun Circuit, has experienced performance growth in the first half of the year due to business expansion and product structure optimization [1] Group 1 - The business development efforts have led to increased revenue and market presence for Shiyun Circuit [1] - Product structure optimization has contributed to improved profitability and operational efficiency [1] - The overall performance growth reflects the company's strategic initiatives in enhancing its competitive edge in the industry [1]