Zhang, who was born on April 1st 1982, like Egan, stands at 6ft 2in, and won silver at the 2007 Asian Championships in Mongolia as well
as finishing in 9th position at the 2007 World Championships in Chicago.
Egan, who has now registered 50 points at these Olympics and conceded just seven, chalked up the first point of the clash with a straight left
inside the opening minute but Jeffries levelled with a long range right.
However, two solid rights and a left to the body in the second left Egan 4-1 up before he completely out boxed his Sunderland born opponent
in the third stanza to surge 8-1 in front.
Jeffries managed to chalk up two points in the final frame but never really looked like troubling the Dubliner, who added another two points to his total to bridge a sixteen year gap since Michael Carruth and Wayne McCullough made it through to the 1992 Olympics finals in Barcelona.
Speaking after the fight the 26 year old Neilstown Dublin clubman said that it was a dream come true.
He said: "It has been a long haul to get where I am. It has been a dream of mine to do this and I just can’t believe it right now. I was cautious
in the first round because this was a clean slate from the EU final where I beat him,
"But once I got ahead I started to build on my lead. I gave it 100% in there - this is a fantastic