ICP证合字B2-20070004号 renders only 4 pixels tall (10 CSS pixels).
Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a href="http://transla…?sourceid=cnhp">翻译</a> is close to 1 other tap targets.
The tap target <a href="http://www.miibeian.gov.cn/">ICP证合字B2-20070004号</a> is close to 1 other tap targets.