三合一科学成果证书                                             双绞线传输器科学成果证书 

                      
                     创新基金立项证书                                                    生产登记批准书

                            
                       科学技术奖                                                             科技型中小企业

                         
                                   RoHS 认证                                                          传输器 CE 认证          

                                  
                      防雷器 CE 认证                                                               ISO9001