工商银行网银查询接口开发问题

我用工商银行提供的商户pfx格式证书可以通过浏览器与https://corporbank.icbc.com.cn/servlet/ICBCINBSEBusinessServlet建立连接并按照指定格式提交表单得到返回数据，但用java编写时SSLSocket却无法握手成功，我把pfx导入到浏览器再导出成cer，然后用keytool导入到一个生成的证书库tomcat.keystore中，但通过以下代码却无法成功，host是我ping corporbank.icbc.com.cn得来的。请各位高手指点迷津。

 //server socket's ip and port

	    	//https://corporbank.icbc.com.cn/servlet/ICBCINBSEBusinessServlet

	        String host="60.247.99.4";

	        int port=80;

	        

	        //keystore path and password

	        String keystore = "D:\\tomcat.keystore";

	        

	        String pass="12345678";

	        //set up a connection

	        SSLSocketFactory ssf=null;

	        try

	        {

	            //init context

	            SSLContext ctx=SSLContext.getInstance("TLS");            

	            KeyManagerFactory kmf=KeyManagerFactory.getInstance("SunX509");

	            TrustManagerFactory tmf=TrustManagerFactory.getInstance("SunX509");            

	            KeyStore ks=KeyStore.getInstance("JKS");

	            KeyStore tks=KeyStore.getInstance("JKS");

	            //load keystore

	            ks.load(new FileInputStream(keystore),pass.toCharArray());

	            tks.load(new FileInputStream(keystore),pass.toCharArray());

	            

	            kmf.init(ks,pass.toCharArray());

	            tmf.init(tks);

	            ctx.init(kmf.getKeyManagers(),tmf.getTrustManagers(),new SecureRandom());

	            System.out.println("load keystore success.");

	            ssf=ctx.getSocketFactory();

	            //create socket

	            socket=(SSLSocket)ssf.createSocket(host,port);

	            System.out.println("create socket success.");

	            socket.setSoTimeout(3000);

	            

	            String[] protocols = socket.getEnabledProtocols();

	            

	            for (int i = 0; i < protocols.length; i++) {

					System.out.println(protocols[i]);

				}

	            

	            socket.setEnabledProtocols(new String[]{"TLSv1"});



	            //handshake 总是在这里报Read timed out

	            socket.startHandshake();

	            System.out.println("handshake success.");

	        }catch(Exception e)

	        {

	            System.out.println("establish connection error.");

	            e.printStackTrace();

	            return;

	        }