Hello!

Thank you for your attention and support for DDT!

Due to the upgrade of DDT, the company's internal telephone system has been optimized, and the company's switchboards telephone numbers and extensions have been changed. The original DDT landlines: 0769-89201648, 0769-22891499, 0769-89201699, and 0769-89201646 were officially suspended. If you have any questions, please feel free to call the new switchboard number: 0769-38826678, contact your corresponding customer service staff, we will be happy to help you,and we apologize for any inconvenience caused!

                                                                                                          Dongguan Dongdian Testing Service Co.,Ltd

                                                                                                                                                            2018/8/8