Invention Patent Approved To Be Authorised Edit Date：2014/12/02

      Improved Waste Storage Pit & Collection System of Waste Leachate (Patent: ZL 2012 1 0485538.7), applied by No.5 Engineering Department, has been approved to be authorized by SIPO (State Intellectual Property Office of the P.R.C)

 Technique & Quality Department

2014.12.2