Haitai Semiconductor (Wuxi) Co., Ltd. (abbreviated as Haitai Semiconductor) is a Sino-foreign joint venture established by Wuxi Taiji Industrial Co., Ltd. and South Korea's SK Hynix Semiconductor. The company primarily engages in integrated circuit chip probe testing, semiconductor memory packaging, and package testing. With a monthly packaging capacity of 75 million integrated circuit chips (DRAM), it has become a leading specialized company in China's back-end semiconductor processes.