getTradings = function getTradings(html){
    let data = [];
    let $    = cheerio.load(html, { decodeEntities:false });
    let $td  = null;
    $('tr[bgcolor]', '#REPORTID_tab1').each(function stripData(){
        $td = $('td', this);
        data.push({
            COMPANY_CODE      : $td.eq(0).html(),
            COMPANY_ABBR      : $td.eq(1).html(),
            NAME              : $td.eq(2).html(),
            CHANGE_DATE       : $td.eq(3).html(),
            CHANGE_NUM        :+$td.eq(4).html(),
            CURRENT_AVG_PRICE :+$td.eq(5).html(),
            CHANGE_REASON     : $td.eq(6).html(),
            _RATIO            :+$td.eq(7).html(),
            HOLDSTOCK_NUM     :+$td.eq(8).html(),
            _INSIDER          : $td.eq(9).html(),
            DUTY              : $td.eq(10).html(),
            _RELATION         : $td.eq(11).html(),
        });
    });
    return data;
}
Get SZ market trading data from html segment.
@param  {String} html Html string
@return {Array}      Trading records.