Weil, Gotshal & Manges is advising the parent company of China’s Hainan Airlines Co. on a proposed $2.8 billion acquisition of the world’s largest ground and cargo handling company, Swissport International Ltd.

Haikou, China-based HNA Group Co. Ltd., which in addition to aviation operates in the tourism and logistics sectors, is buying Swissport from French private equity investor PAI Partners. PAI Partners purchased the company for $1.2 billion four years ago.