山水水泥集团                                  山西电机厂                                    西安西玛电机厂




     

                     海螺水泥                                                 南方水泥                        赣州有色冶金机械有限公司



      

                  大连水泥集团                                      中联水泥集团                                        昆明电机厂



                    正泰电气