... before use.2.In order to achieve the best effect of keep hot or cold,please put the hot water or ... time.ABOUT USZHEJIANG BANGDA INDUSTRIAL AND TRADE CO.,LTD was estibilished in1997, which was located in YongKang, ZheJiang, China. It is occupied 30,000m2 ... pantner to creat bright future together.JOIN US !!! 2.5L stainless steel vacuum thermos,air pot