请问怎么用VC6调用如下的WebService

  <?xml version="1.0" encoding="UTF-8" ?> 
- <definitions xmlns:tns="http://www.chnet.com/servers/com/chnet/gate/webservice" xmlns:wsr="http://www.openuri.org/2002/10/soap/reliability/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:soap12enc="http://www.w3.org/2003/05/soap-encoding" xmlns:conv="http://www.openuri.org/2002/04/wsdl/conversation/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns="http://schemas.xmlsoap.org/wsdl/" targetNamespace="http://www.chnet.com/servers/com/chnet/gate/webservice">
- <message name="setUnsealInfo">
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="tagID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="machineID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="userID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="password" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="zoneName" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="time" /> 
  </message>
- <message name="setUnsealInfoResponse">
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:boolean" name="result" /> 
  </message>
- <message name="validUserInfo">
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="machineID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="userID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="password" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="zoneName" /> 
  </message>
- <message name="validUserInfoResponse">
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:boolean" name="result" /> 
  </message>
- <message name="getSealKeyID">
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="tagID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="machineID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="userID" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="password" /> 
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="zoneName" /> 
  </message>
- <message name="getSealKeyIDResponse">
  <part xmlns:partns="http://www.w3.org/2001/XMLSchema" type="partns:string" name="result" /> 
  </message>
- <portType name="SealServicePort">
- <operation name="setUnsealInfo">
  <input message="tns:setUnsealInfo" /> 
  <output message="tns:setUnsealInfoResponse" /> 
  </operation>
- <operation name="validUserInfo">
  <input message="tns:validUserInfo" /> 
  <output message="tns:validUserInfoResponse" /> 
  </operation>
- <operation name="getSealKeyID">
  <input message="tns:getSealKeyID" /> 
  <output message="tns:getSealKeyIDResponse" /> 
  </operation>
  </portType>
- <binding type="tns:SealServicePort" name="SealServicePort">
  <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http" /> 
- <operation name="setUnsealInfo">
  <soap:operation style="rpc" soapAction="" /> 
- <input>
  <soap:body namespace="http://www.chnet.com/servers/com/chnet/gate/webservice" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" use="encoded" /> 
  </input>
- <output>
  <soap:body namespace="http://www.chnet.com/servers/com/chnet/gate/webservice" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" use="encoded" /> 
  </output>
  </operation>
- <operation name="validUserInfo">
  <soap:operation style="rpc" soapAction="" /> 
- <input>
  <soap:body namespace="http://www.chnet.com/servers/com/chnet/gate/webservice" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" use="encoded" /> 
  </input>
- <output>
  <soap:body namespace="http://www.chnet.com/servers/com/chnet/gate/webservice" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" use="encoded" /> 
  </output>
  </operation>
- <operation name="getSealKeyID">
  <soap:operation style="rpc" soapAction="" /> 
- <input>
  <soap:body namespace="http://www.chnet.com/servers/com/chnet/gate/webservice" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" use="encoded" /> 
  </input>
- <output>
  <soap:body namespace="http://www.chnet.com/servers/com/chnet/gate/webservice" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" use="encoded" /> 
  </output>
  </operation>
  </binding>
- <service name="SealService">
- <port name="SealServicePort" binding="tns:SealServicePort">
  <soap:address location="http://192.168.70.80:7001/seal_service/SealService" /> 
  </port>
  </service>
  </definitions>