NFEC [NF Energy Saving] SC 13D/A: SCHEDULE 13D JOINT FILING AGREEMENT Agreement, dated as
[SCHEDULE 13D JOINT FILING AGREEMENT Agreement, dated as of May 28, 2009, among Liaoning Nengfa Weiye New Energy Application Co., Ltd., Lihua Wang and Gang Li (collectively, the “Parties”). Each of the Parties agrees to be responsible for the timely filing of the Schedule 13D and any and all amendments thereto and for the completeness and accuracy of the information]