<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Pipe Class</td><td>Not Rated</td><td>Connectivity</td><td>Flange</td></tr><tr><td>Surface Treatment</td><td>/</td><td>Technic</td><td>Other</td></tr><tr><td>shape</td><td>Bend</td><td>System of Measurement</td><td>Metric</td></tr><tr><td>head code</td><td>/</td><td>Mounting hole diameter</td><td>/</td></tr><tr><td>customized support</td><td>ODM, OEM</td></tr></tbody></table>