Beijing Star River Test Science & Technology Co., Ltd. is headquartered in Beijing, China. It is a high-tech enterprise that integrates research and development, production, and sales of electronic testing and visual inspection. In 1991, the first printed circuit board online tester (ICT) in China was developed, filling the domestic gap in PCBA online testing. After years of continuous research and development, the product line has been constantly updated. Currently, the products include: online tester ICT, high and low voltage cable tester, backplane tester, circuit board dynamic function tester (FCT), fully automatic online tester (In line ICT), automatic optical inspection instrument AOI, general visual inspection system GOI and other series of testing product lines.