PacRay International Holdings Limited is a Hong Kong-based investment holding company principally engaged in the design, distribution and trading of integrated circuits and semi-conductor parts. The Company operates through two segments. Hong Kong Headquarter is engaged in corporate administration and investment functions businesses. Design and Sales of Integrated Circuits segment is engaged in the design and sales of integrated circuits used in industrial and household measuring tools conducted through the Companyâ€™s subsidiary, Shanghai SyncMOS Semiconductor Company Limited. Shanghai SyncMOS Semiconductor Company Limited is also involved in the provision of related agency services. The Company mainly operates businesses in China.