怡合达(301029.SZ)：有向智能电网领域厂商提供部分零部件，但占比较低

Core Viewpoint - The company, Yihua (301029.SZ), operates as a one-stop procurement platform for non-standard automation equipment components, serving various industries including 3C, lithium battery, automotive, photovoltaic, industrial robotics, and semiconductors [1] Group 1: Company Overview - Yihua provides a wide range of products including linear motion parts, transmission components, pneumatic elements, aluminum profiles and accessories, industrial frame structure parts, machined parts, small mechanical parts, and electronic and electrical components [1] - The primary clientele consists of manufacturers of automation equipment [1] Group 2: Industry Application - The company's products are utilized across multiple sectors such as 3C, lithium batteries, automotive, photovoltaic, industrial robotics, and semiconductors [1] - Yihua also supplies some components to smart grid manufacturers, although this segment represents a relatively low proportion of its overall business [1]