 
 
 
 

 
 
1    8                  24.7 % 
  
2018-12-07
     1    8                  24.7 %          1    8                  24.7 %            19.14             18.2       17               1    8                               99.6 %                                                                                               LNG                      PVC        1  4                                                                        
 
           
 
 
  
  
              
            
       2018        
               
               
2014-2015 ©                      蒙ICP备05070829号