Exhibit 21.1

As of December 31, 2010, all of the following subsidiaries are 100% owned by Xerium Technologies, Inc. except for Stowe Woodward (Xian) Roll Covering Co. Ltd. which is 90% owned and Stowe
Woodward AG which is 99.55% owned.



|                                                                            |  |                                                       
|--------------------------------------------------------------------------- |  | ------------------------------------------------------
|List of Subsidiaries of Xerium Technologies, Inc. (as of December 31, 2010) |  | State or Jurisdiction
of Incorporation or
Organization
|Beloit Asia Pacific (M) Inc.                                                |  | Mauritius                                             
|Stowe Woodward (Xian) Roll Covering Co. Ltd.                               |  | China                                                 
|Huyck Argentina Sociedad Anónima                                            |  | Argentina                                             
|Huyck Licensco Inc                                                          |  | Delaware                                              
|Huyck.Wangner Australia Pty. Limited                                        |  | Australia                                             
|Huyck.Wangner Austria GmbH                                                  |  | Austria                                               
|Huyck.Wangner Italia SpA                                                    |  | Italy                                                 
|Huyck.Wangner Japan Limited                                                 |  | Japan                                                 
|Huyck.Wangner Germany GmbH                                                  |  | Germany                                               
|Huyck.Wangner Scandinavia AB                                                |  | Sweden                                                
|Huyck.Wangner Spain SA                                                      |  | Spain                                                 
|Huyck.Wangner (Shanghai) Trading Co. Ltd.                                   |  | China                                                 
|Huyck.Wangner UK Limited                                                    |  | United Kingdom                                        
|Huyck.Wangner Vietnam Co. Ltd.                                              |  | Vietnam                                               
|Stowe Woodward(Changzou) Roll Technologies Co. Ltd.                         |  | China                                                 
|Robec Brazil LLC                                                            |  | Delaware                                              
|Robec Walzen GmbH                                                           |  | Germany                                               
|Stowe Woodward Finland Oy                                                   |  | Finland                                               
|Stowe Woodward México, SA De C.V.                                           |  | Mexico                                                
|Stowe Woodward Sweden AB                                                    |  | Sweden                                                
|Stowe-Woodward (UK) Limited                                                 |  | United Kingdom                                        
|Stowe Woodward France SAS                                                   |  | France                                                
|Stowe Woodward AG                                                           |  | Germany                                               
|Stowe Woodward LLC                                                          |  | Delaware                                              
|Stowe Woodward Licensco LLC                                                 |  | Delaware                                              
|                                                                            | 
|Wangner Itelpa I LLC                                                        |  | Delaware                                              
|Wangner Itelpa II LLC                                                       |  | Delaware                                              
|Wangner Itelpa Participações Ltda.                                          |  | Brazil                                                
|Wangner Limited                                                             |  | Ireland                                               
|Weavexx, LLC                                                                |  | Delaware                                              
|Xerium Asia Holding Ltd                                                     |  | Hong Kong                                             
|Xerium Asia, LLC                                                            |  | Delaware                                              
|Xerium Canada Inc.                                                          |  | Canada                                                
|Xerium (France) SAS                                                         |  | France                                                
|Xerium Germany Holding GmbH                                                 |  | Germany                                               
|Xerium Italia SpA                                                           |  | Italy                                                 
|Xerium do Brasil Ltda                                                       |  | Brazil                                                
|Xerium Technologies Limited                                                 |  | United Kingdom                                        
|Xerium Technologies Brasil Indústria e Comércio S.A.                        |  | Brazil                                                
|Xerium III (US) Limited                                                     |  | Delaware                                              
|Xerium IV (US) Limited                                                      |  | Delaware                                              
|Xerium V (US) Limited                                                       |  | Delaware                                              
|XTI LLC                                                                     |  | Delaware