Tianrui Group Cement Company Limited                                             China

                          Resources Cement Holdings Limited                                                   China

                          Luoyang Glass Group                                                                          China

                          HORN Group                                                                                        Germany

                          TATA STEEL                                                                                         India

                          UltraTech Cement Ltd.                                                                          India

                          Ocean Group                                                                                       Tailand

                          Nam Dong Cement Factory                                                                  Vietnam

                          Jambyl Cement Co                                                                                Kazakhstan 

                          Dadabhoy Cement Industries                                                                Pakistan