The semi-automatic silicon optical wafer testing system independently developed by Yunzhonggu Intelligent Technology (Suzhou) Co., Ltd. is suitable for automatic optoelectronic testing of 8 to 12 inch silicon optical wafers. The whole machine is specially designed for the testing requirements of high positioning accuracy of silicon optical wafers, with the characteristics of high precision, high rigidity, and high stability; High precision automatic needle alignment, convenient for customers' multi needle and multi-core testing needs; Easy to maintain; At the same time, it supports the demand for different coupling methods of single chips and diversified customization functions.