密封科技：康明斯为公司的重要客户

Group 1 - The core viewpoint of the article highlights that Sealing Technology (301020.SZ) considers Cummins as an important client, with its main product—engines—being utilized across various fields, including automotive and power generation engines [2] - The company indicates that all types of engines will require sealing products, but it cannot disclose the application proportions of its products in different engines due to commercial confidentiality regarding end customer information and quantities [2]