Yue Yuen Industrial Ltd.'s operating revenue in May rose 20% from a year earlier to US$523.42 million.

The Hong Kong-listed company's operating revenue was US$436.14 million in the same month last year.

Yue Yuen, a unit of Taiwan's Pou Chen Corp., said its operating revenue in the January-May period this year was US$2.35 billion, up 14.6% from US$2.05 billion a year earlier.