Ma ʻOkakopa 17, ua mālama ʻo Dayu Water Saving a me Huitu Technology i kahi symposium me ke kumumanaʻo "hoʻoikaika i ka hilinaʻi, hoʻoikaika i ka hoʻohui ʻana, a me ka hoʻoikaika ʻana i ka hoʻomohala ʻana".ʻO Dayu Water Conservation Group Lunahoomalu Wang Haoyu, Pelekikena Hui Xie Yongsheng, Dayu Water Conservation Chief Scientist, Dean of Research Institute, Co-Chairman o Huitu Technology Gao Zhanyi, Hope Peresidena o Dayu Water Conservation Group, Pelekikena o ka Hui Wai Mahiai, Huitu Technology Loaʻa. ...
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