Core Viewpoint - Sanjia Technology (600520.SH) is engaged in the semiconductor packaging industry, focusing on the production of semiconductor plastic packaging molds, devices, and supporting equipment [1] Company Overview - The main business of the company includes semiconductor integrated circuit packaging equipment and molds, automatic cutting and forming systems and molds, and precision spare parts for semiconductors [1] - The products are essential for various equipment used in the packaging process of semiconductor devices and integrated circuits [1] Product Offering - Key products include semiconductor integrated circuit packaging equipment and molds, which are primarily supplied to Tongfu Microelectronics [1]