51job Inc., a Chinese human-resource services company, said it received a $5.3 billion takeover approach from DCP Capital Partners, an Asian private-equity firm.

DCP has proposed paying $79.05 a share in cash per common share in a non-binding letter sent to the company, 51job said Thursday. That’s 16% higher than Wednesday’s closing price.

51job said it hasn’t yet had a chance to carefully review and evaluate the offer. In the letter, DCP said its managers formerly worked at KKR & Co. and Morgan Stanley’s private-equity businesses in Asia.