Please enter the homepage address http://www.csoiec.com in the "Internet Options" section in the "Tools" menu bar of your browser.

You can right-click anywhere on the homepage and select "Add to Favorites" option.

You just need to enter any keyword or exact phrase in the search box in the top right corner of the website page, press Enter or click the magnifying glass button to the right of the search box to search the entire site.

Please contact the company and get in touch with the website administrator in a timely manner.

Just click "Print" in the "File" menu and select your required print options.

Just click "Save As" in the "File" menu and select "Save As Type" according to your needs.

Just right-click on the current web page and then click "Create Shortcut".

If you are browsing the Internet through a local area network (LAN), a timeout error occurs when connecting to the website due to the limited bandwidth of the local area network to the outside. If you encounter problems with the web page not opening, sometimes you just need to refresh it and sometimes you need to log in at another time.

If garbled characters appear while browsing the web, you can use the following method to solve it: When using IE6.X or IE7.X to browse the web, you can click "Encoding" in the "View" menu and then select "Simplified Chinese GB2312" to solve it. In addition, this website does not recommend using browsers such as Google and Firefox for browsing.

If you encounter any problems while browsing this website or have suggestions, please send an email to info@csoiec.com