what encoding this is?

请求翻译

can anyone tell me what encoding is applied on the chinese character, so that chinese characters are converted into this code or text and stored in mysql database :

?¤???-`?¥a€o???|???2?¥?’a€“?¥?¤???§a€????|?°a€?¨????¨??a€??ˉ?????|???§?¨a€????ˉ??a€°?|?“a€°??a?¢??¥a€|???¥????|???§?¨a€???` 

original chinese characters which are displayed in web page :

中国液化天然气运输(控股)有限公司控股

on the web page there is a header function is used to make standard chinese chars as follow:

header('Content-type: text/html; charset=utf-8'); 

Thanks...

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