Decision Computer International Co., Ltd. is one of the leading manufacturer of PC-Based Multi-port RS232/422/485 Serial Cards, Data Acquisition and Measurement Products and Industrial Automation & Control Products since 1986. We are specialized in providing solution for the Remote Control and Communication via Internet and World Wide Web. Why are we better then other company? We have device driver, development tool kit, application software with source code and online web support. To make it easy for the retailer to promote and sale our product.