exhibit 10. 7 contract on assignment of state - owned construction land use right formulated by ministry of land and resources of the people ’ s republic of china state administration for industry and commerce of the people ’ s republic of china formulated by ministry of land and resources of the people ’ s republic of china state administration for industry and commerce of the people ’ s republic of china contract no. : c13048120120049 - 1 - - 1 - - 1 - contract on assignment of state - owned construction land use right the contract is entered into by and between the following parties : assignor : land and resources bureau of wu ’ an city ; mailing address : no. 26, kuangjian road, wu ’ an city ; postal code : 056300 ; telephone : # # # - # # # - # # # # ; fax : / ; bank of account : / ; account no. : /. assignee : northern altair nanotechnologies co., ltd. ; mailing address : no. 69, north xinhua avenue, wu ’ an city ; postal code : 056300 ; telephone : 18631277369 ; fax : / ; bank of account : / ; account no. : /. the contract is entered into by and between the following parties : assignor : land and resources bureau of wu ’ an city ; mailing address : no. 26, kuangjian road, wu ’ an city ; postal code : 056300 ; telephone : # # # - # # # - # # # # ; fax : / ; bank of account : / ; account no. : /. assignee : northern altair nanotechnologies co., ltd. ; mailing address : no. 69, north xinhua avenue, wu ’ an city ; postal code : 056300 ; telephone : 18631277369 ; fax : / ; bank of account : / ; account no. : /. the contract is entered into by and between the following parties : assignor : land and resources bureau of wu ’ an city ; mailing address : no. 26, kuangjian road, wu ’ an city ; postal code : 056300 ; telephone : # # # - # # # - # # # # ; fax : / ; bank of account : / ; account no. : /. assignee : northern altair nano