Group 1 - The commercialization of solid-state batteries in the electric vehicle market is transitioning from "unreachable" to "within reach," with leading battery manufacturers unveiling ambitious mass production plans [1] - Ultrasonic technology has emerged as a key solution to overcome manufacturing challenges in solid-state battery production, playing an essential role in various critical processes from material preparation to quality inspection [1][3] - Ultrasonic welding has become the mainstream solution for ear connections in solid-state batteries, enhancing safety and consistency by avoiding high-temperature issues associated with traditional welding methods [1][3] Group 2 - Ultrasonic detection technology offers significant advantages over X-Ray detection for identifying internal defects in solid-state batteries, such as cracks and delamination, ensuring high consistency and reliability in battery performance [2] - The core structure of solid-state batteries, composed of multiple layers, necessitates precise detection of interface issues, which ultrasonic technology can effectively address, allowing for 100% online inspection [2] - Ultrasonic dispersion technology can significantly improve the uniformity of solid electrolyte materials, addressing key bottlenecks in mass production [2] Group 3 - As the mass production of solid-state batteries approaches in 2026-2027, the market for ultrasonic equipment is expected to experience explosive growth, with demand for ultrasonic welding equipment projected to be 5-10 times higher per GWh compared to traditional lithium batteries [3] - The demand for high-precision ultrasonic scanning detection equipment will increase significantly due to the stringent consistency requirements of solid-state batteries, with the equipment's value expected to exceed that of the welding process [3] - Overall, the demand for various ultrasonic devices in solid-state battery production may see a 20-fold increase compared to traditional lithium battery production lines [3] Group 4 - The ultrasonic equipment segment represents one of the largest value increases in solid-state battery mass production, driven by a surge in application scenarios and the creation of new processes [4] - Companies like Jiao Cheng Ultrasonic are positioned as leaders in this space, leveraging their technological expertise and innovative breakthroughs to establish deep collaborative relationships with top battery manufacturers [4] - This collaboration is accelerating the mass production process and the industrialization of solid-state batteries [4]