PHS-3C酸度计特价促销

PHS-3C酸度计特价促销，我公司常年备有现货。欢迎新老客户来电垂询。DDS-307电导率仪，笔式酸度计等更多特价机型请致电销售部：

                

                                                                                                                          北京京海正通科技有限公司
                                                                                                                                           销售部
                                                                                                                                    2008-12-05