On December 13, Hunan Xiangdong Chemical Machinery Co., Ltd. successfully passed the annual supervision and review of the ISO9001 quality management system organized by Fangyuan Mark Certification Group.
In 1997, East China Chemical Machinery obtained ISO9001 quality management system cert…

The large outdoor full-color LED display has become a new force in the media. The full-color LED large-screen screen has always been an important part of the development of the LED field. It is an important part of the display of large-scale entertainment, sports events and squares. With t…