Investment Treaty Arbitration

• In Goh Chin Soon v. People's Republic of China, PCA Case No. 2021-30, assisting MOFCOM to represent the People's Republic of China in defense against a claim brought by a Singaporean investor

• In Jason Yu Song v. People's Republic of China, PCA Case No. 2019-39, assisting MOFCOM to represent the People's Republic of China in defense against a claim brought by a UK investor

• In Ansung Housing Co., Ltd. v. People's Republic of China, ICSID Case No. ARB/14/25, assisted MOFCOM to represent the People's Republic of China in defending against a claim brought by a South Korean investor, resulting in a complete success. This was the second international investment arbitration brought against China and the first in which a tribunal was constituted and a final award delivered

• In Ekran Berhad v. People's Republic of China, ICSID Case No. ARB/11/15, advised MOFCOM on representing the People's Republic of China in response to the relevant proceedings, which is the first ICSID case ever brought by a foreign investor against China

• In Tsa Yap Shum v. Republic of Peru, ICSID Case No. ARB/07/6, assisted the government of Peru in defending against the claim initiated by a Chinese investor, which is a landmark case, as it is the first to consider whether an investor from Hong Kong SAR is protected by a Chinese BIT and the scope of the amount of compensation that can be referred to arbitration

• In Beijing Urban Construction Group Co., Ltd. v. Republic of Yemen, ICSID Case No. ARB/14/30, advised the Chinese state-owned enterprise on its claims and overall case strategy against the government of Yemen

International Commercial Arbitration

• Represented a Global 500 Chinese company in an LCIA proceeding involving USD 500 million brought by its Russian business partner over a contract for the funding and management of an oil and gas exploration project in Kazakhstan and successfully defended the client, where at the initial stage, Ms. Sun' team obtained an anti-suit injunction from a London court which successfully put an end to the litigation proceedings commenced at a court in Kazakhstan

• Represented two Chinese individual shareholders to successfully defend against an HKIAC arbitration brought by a Brazilian company in relation to a dispute over a share transfer agreement and prevailed on counterclaims, with the case involving a complicated post-closing price adjustment mechanism Represented multiple well-known overseas private equity investors in an HKIAC arbitration case with claims totaling over USD 700 million against the founder and the group companies and obtained an award to the satisfaction of the clients

• Represented a well-known private equity investor in an HKIAC arbitration case against the founder and the group companies and obtained a favorable award supporting the revocation of the share purchase agreement and the refund of the full purchase price and also assisted the client in obtaining a Mareva Injunction before a Hong Kong court and an injunctive relief before a US court, which ensured the effective enforcement of the HKIAC award

• Represented two Chinese well-known angel investors in bringing an HKIAC arbitration case against a Swiss company and its founders under a share purchase agreement and obtained a favorable award supporting termination of the agreement and the refund of the clients' paid-in purchase price

• Represented the Hong Kong subsidiary of a listed Chinese company in bringing a London Metal Exchange (LME) arbitration claim against a Switzerland-based international commodity trading company over disputes arising from the sale and delivery of precious metals, services including handling parallel interim relief proceedings before a South African court

• Advised a Chinese state-owned oil company in relation to a dispute with Nigerian National Petroleum Corporation regarding a production sharing contract and the Nigerian government's taxation measures, involving an ICC arbitration and administrative court proceedings before the Nigerian courts

• Advised a Chinese state-owned petroleum company in a price adjustment dispute with multiple international gas companies under gas supply agreements

• Represented a number of large Chinese banks in the resolution of disputes arising from letters of guarantee for advance payment issued in relation to ship-building contracts, involving ad hoc arbitrations in London as well as London court proceedings

• Represented Danone in the CIETAC arbitration in a series of Danone-Wahaha disputes, which has attracted wide media coverage

• Represented an international investment bank in bringing an arbitration claim before CIETAC in relation to an interest swap transaction, which is the first case to examine the enforceability of derivatives transactions in arbitration in China