迈瑞医疗回应赴港上市传闻，称以官方信息为准

Group 1 - The core point of the article is that Mindray Medical has responded to rumors regarding its potential secondary listing in Hong Kong, stating that official information should be considered as the authoritative source [1] - Market speculation suggests that Huatai Securities and JPMorgan will handle the preparations for Mindray Medical's Hong Kong IPO, with the possibility of involving more investment banks [1] - Mindray Medical aims to raise at least $1 billion through this potential IPO [1]