You should try like this:
$text_mail.= "<tr>
<td style='border:1px solid black; width:130px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" . $row['country'] . "</td>
<td style='border:1px solid black; width:130px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" . $row['networkname'] . "</td>
<td style='border:1px solid black; width:50px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" . $row['mcc'] . "</td>
<td style='border:1px solid black; width:50px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" . $row['mnc'] . "</td>
<td style='border:1px solid black; width:130px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" . $pricefrom . "</td>
<td style='border:1px solid black; width:130px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" . $priceto . "</td>
<td style='border:1px solid black; width:130px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" . $change . "</td>
<td style='border:1px solid black; width:130px; padding:0 0 0 5px;'><span></span><span></span><span></span><span></span>" .date('d.m.Y', $row['datetime']) . "</td>
</tr>";