Luzhou Xinglu Water (Group) Co., Ltd. entered into the Luzhou Aviation Construction Service Agreement with Luzhou Aviation Development Company in relation to the service of installation and construction of water supply pipelines of Luzhou Aviation Development Company from the Company for a construction period form 20 June 2020 to 31 December 2020. On 28 January 2021 (after trading hours), the Supplemental Agreement was entered into by Luzhou Aviation Development Company and by the Company to adjust the term of the Luzhou Aviation Construction Service Agreement to a period from 10 February 2021 to 31 December 2021. No consideration was paid/payable under the Supplemental Agreement. Parties are Luzhou Xinglu Water (Group) Co., Ltd. and Luzhou Aviation Development Company. The Company agreed to provide water supply pipelines installation and construction services to Luzhou Aviation Development Company pursuant to the Luzhou Aviation Construction Service Agreement which was entered into by the Company and Luzhou Aviation Development Company on 19 June 2020 and expired on 31 December 2020. Construction Period is from 10 February 2021 to 31 December 2021. The final construction service fee under the Luzhou Aviation Construction Service Agreement and the Supplemental Agreement shall be determined by the costs and expenses actually incurred in accordance with relevant regulations and codes and shall be not more than RMB 19.6 million, comprising of (1) RMB 17.0 million for the Kongtian Project, (2) RMB 1.0 million for the Relocation Project, and (3) RMB 1.6 million for the Power Project. The breakdown of the construction service fee of RMB 19.6 million under the Luzhou Aviation Construction Service Agreement and the Supplemental Agreement is as follows: (i) estimated public pipelines network construction fee of RMB16.35 million; (ii) estimated courtyard pipelines network construction fee of RMB2.25 million and (iii) estimated relocation project fee of RMB1.0 million.