Piotech (SH:688072) Ge Long Hui A P P·2025-12-18 07:55Group 1 - The core viewpoint of the article highlights that Tuojing Technology is a leading manufacturer of front-end thin film deposition equipment in China, with core products covering various processes such as PECVD, ALD, Flowable CVD, and HDPCVD, achieving large-scale delivery in advanced logic and memory production lines [1] - The company is strategically advancing into hybrid bonding and supporting measurement equipment, entering critical areas of heterogeneous integration and 3D integration, evolving its business from a single deposition equipment focus to a dual-engine platform of "deposition + bonding" [1] - The Chinese market is expected to remain the largest semiconductor equipment market globally, driven by wafer fab expansions and domestic substitution, with the demand for deposition and bonding processes becoming increasingly important due to the rising requirements for interconnect density and interface quality in HBM, Chiplet, and 3D stacking technologies [1] Group 2 - From a PEG perspective, the company's projected PEG ratios for 2025E-2027E are 1.3, 0.8, and 0.9, respectively, indicating a favorable valuation [1] - Considering the technological barriers in thin film deposition and hybrid bonding processes, along with the medium to long-term profit elasticity, the company is deemed to have a high medium to long-term configuration cost-effectiveness [1] - The report initiates coverage with a "Buy" rating for the company, reflecting confidence in its growth potential and market positioning [1]