Sanya Huayu Tourism claims the London-listed IHG overspent on procurement and charged excessively low room rates at its Sanya Huayu Crowne Plaza Hotel in Yalong Bay. Huayu filed its complaint against IHG's China subsidiary, InterContinental Hotels Group Holiday Hotel (China), with the Beijing Arbitration Commission, said Li Tao, Huayu's head of hotel business.