Loong Air (GJ, Hangzhou) has submitted a prospectus to list on the main board of the Shanghai Stock Exchange, aiming to raise up to CNY2 billion yuan (USD295.7 million). The full-service carrier, which completed an IPO guidance review process in late May, will use the net proceeds to fund A320 family aircraft acquisitions, purchase spare engines, and supplement working capital. Huatai United Securities is serving as the sole lead underwriter for the listing.