Group 1 - The company has entered NVIDIA's supply chain through OEM methods [2] - In the AI server sector, the company has achieved mass production capabilities for various products, including 28-layer AI server circuit boards and 24-layer ultra-low loss servers [2] - The company also produces 5-stage HDI boards, 6oz thick copper multilayer boards, multilayer flexible boards, and multilayer HDI rigid-flex boards [2]