Phoenix Silicon International Corporation — Investor Relations & Filings

Phoenix Silicon International Corporation (PSI) is a specialized provider of semiconductor wafer processing services. Established in 1997, the company focuses on two primary core competencies: wafer reclamation and wafer thinning. PSI utilizes advanced surface treatment technologies to process reusable wafer materials, providing high-cleanliness reclaimed wafers used for process monitoring in semiconductor manufacturing. Additionally, the company offers comprehensive wafer thinning services essential for the production of consumer electronics, industrial components, and automotive electronic devices. Its product portfolio includes reclaimed wafers, test wafers, and product wafers. By leveraging technical innovation in high-cleanliness surface processing and precision thinning, PSI supports the semiconductor supply chain with critical manufacturing and processing solutions.