西高院：公司为电气设备制造企业提供检测认证等业务，不涉及客户产品的销售环节

Group 1 - The company provides testing and certification services for electrical equipment manufacturers and does not engage in the sales of customer products [2] - The company is unable to accurately quantify the proportion of business derived from indirect exports through its clients [2] - The company appreciates investor interest and engagement [2]