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Xiaoning Sun represents financial institutions and sponsors/borrowers on a broad range of domestic and cross-border debt transactions, including club and syndicated loans; project, acquisition, and asset financings; and debt restructurings.

Prior to joining Jones Day in 2023, Xiaoning practiced at a top-tier international law firm in Singapore where she advised clients on a range of debt-related transactions, including project financing, asset financing, and capital call financing.


  • Mayur Resources obtains US$155 million financing to complete Central Lime ProjectJones Day advised Mayur Resources Limited on the debt financing agreements with Appian Capital Advisory LLP and combined equity funding from Vision Blue Resources, a clean energy battery metals transition investment vehicle led by Sir Mick Davis, for a total of approximately US$155 million to complete the Central Lime Project.
  • Timken acquires Des-CaseJones Day advised The Timken Company in the acquisition of Des-Case Corp., a Nashville, Tenn.-based manufacturer of specialty filtration products for industrial lubricants.
  • Junshi grants exclusive rights to Dr. Reddy's for toripalimab cancer treatmentJones Day represented Shanghai Junshi Biosciences Co., Ltd. ("Junshi") in its grant of exclusive rights related to the development and commercialization of toripalimab, an anti-PD1 monoclonal antibody, to Dr. Reddy's Laboratories for the territory of Latin America, India, South Africa, and an option to expand the territory to include Australia and New Zealand and potential other countries.