The SOAP Server Endpoint URL is: http://service.feng-gui.com/soap/api.asmx
The SOAP service description (WSDL) is at http://service.feng-gui.com/soap/api.asmx?WSDL
You can find out more about SOAP at http://www.w3.org/TR/soap/

The following is a sample SOAP 1.2 request. The placeholders shown need to be replaced with actual values.
To send a request (for example, to echo method), send a request like this:

POST /soap/api.asmx HTTP/1.1
Host: service.feng-gui.com
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://www.feng-gui.com/echo"

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <echo xmlns="http://www.feng-gui.com/">
      <value>string</value>
    </echo>
  </soap:Body>
</soap:Envelope>

The following is a sample SOAP 1.2 response. The placeholders shown need to be replaced with actual values.
A request call to the echo method returns this response:

HTTP/1.1 200 OK
Content-Type: text/xml; charset=utf-8
Content-Length: length

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <echoResponse xmlns="http://www.feng-gui.com/">
      <echoResult>string</echoResult>
    </echoResponse>
  </soap:Body>
</soap:Envelope>