Wafer testing service provider Chunghwa Precision Test Technology Co (CHPT, 中華精測) yesterday reported that revenue last month rose 27.22 percent from February, but fell 7.86 percent to NT$323.78 million (US$11.28 million) from last year. “A more diverse product mix and increased demand from customers in the US have mitigated the seasonal impact,” Chunghwa Precision Test said in a statement. Revenue in the first quarter was NT$829.1 million, down 34.88 percent quarter-on-quarter, but up 2.18 percent year-on-year, it said. The firm has had robust demand for its vertical probe card business, which provides services for 5G products such as radio frequency (RF) chips and