hi , i've bought this racket yesterday and wonder if this is a genuine one , hope everyone can help , thanks in advance . Here's the detail : ---->8---- cut here (include this line) ---->8---- racket model: Yonex Voltric 80 3U G5 shaft serial: 9999556 cone code : 180212tw source : yumaoclub.com ,Beijing price : US$159 or 1050RMB ---->8---- cut here (include this line) ---->8----