PHS-3C酸度計特價促銷，我公司常年備有現(xiàn)貨。歡迎新老客戶來電垂詢。DDS-307電導率儀，筆式酸度計等更多特價機型請致電銷售部：

                

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