The RRJ Capital shut the largest ever private equity fund for an Asian firm at $4.5 billion, giving productive deal maker Richard Ong a war mid-section to chase for new open doors over the locale. RRJ Capital, situated in Hong Kong and Singapore, this week shut its third fund following nine months on the fundraising trail, as indicated by a man acquainted with the circumstance. The fundraising was oversubscribed by $1 billion, with the capital’s majority originating from North American investors, the individual said. The crisp money comes as money is getting to be scarcer crosswise over Asia, with banks…