Core Viewpoint - The report from Dongwu Securities highlights the industrial potential of warm isostatic pressing (WIP) technology for solid-state battery densification, indicating a significant market opportunity by 2029 with an expected value of 2.9 billion yuan [1][4]. Group 1: Isostatic Pressing Technology - Isostatic pressing technology has a wide range of applications across various industries, including aerospace, medical, automotive, and electronics, due to its advantages in densification and uniformity [2]. - The technology is categorized into cold, warm, and hot isostatic pressing, with warm isostatic pressing achieving a balance between densification performance, production efficiency, and cost [2]. Group 2: Application in Solid-State Batteries - Isostatic pressing can effectively address solid-solid interface contact issues in solid-state batteries, enhancing densification and improving component contact quality [3]. - Warm isostatic pressing is identified as the optimal process for solid-state battery densification, as it meets the temperature and pressure requirements while minimizing adverse reactions and energy costs [3]. Group 3: Industry Players and Market Dynamics - Traditional isostatic equipment manufacturers, such as Quintus and domestic firms like Chuanxi Machinery and Steel Research, are leveraging high-pressure technology to accelerate the transition to solid-state battery applications [4]. - Cross-industry players, including battery manufacturers and equipment suppliers like Xian Dao Intelligent and Liyuanheng, are redefining equipment based on downstream production line experiences, facilitating the industrialization of solid-state battery isostatic pressing [4]. Group 4: Challenges in Production - Current challenges in isostatic pressing equipment for solid-state batteries include design complexities, safety concerns, and limited production capacity, which hinder large-scale manufacturing [5]. - Enhancements in pre-treatment processes, pressure vessel volume, and automation can improve production efficiency and integration into solid-state battery production lines [5]. Group 5: Recommended Companies - Key recommendations include solid-state battery equipment suppliers like Xian Dao Intelligent (300450.SZ) and Liyuanheng (688499.SH), as well as companies involved in isostatic pressing equipment such as Nakano (832522.BJ) and Chuanxi Machinery [6].