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GDE Obtained Three Patents Edit Date：2011/07/14

Recently, GDE has been authorized three patents by SIPO. They are Connection of Anchor Bolt Bare Base of Steel Column (Patent NO. ZL 2010 2 0153868.2 Inventor: Liu Xiaowen), Vacuum Collection Devices of Percolate of Waste Storage Pit (Patent NO. ZL 2010 2 0604835.5, Inventors: He Weicai, Huang Hua, Li Fang) and Non-insertable Slag Conveyor of Water Sealing (Patent NO. ZL 2010 2 0604777.6 Inventors: Peng Xiaoping, Luo Jun, Shi Haisong, Yang Jun). All these three inventions had obtained utility model patents.