... smart cards and technology solutions. ChipCity provides clients with smart card ICs, development tools, readers, fingerprint products and smart ... is the exclusive distributor of Smart Card IC and integrates market development and product distribution in China. Meanwhile ... S3FS9CH, S3FS9QB, S3FS9SD, S3FS91V, AT90SC7272C, AT90SC144144CT and others. ChipCity's Smart Card Operating Systems (COS) are for (U ...