... the crystallizer to be shorter than with normal hot top casting, resulting in a shallow sump and very thin ... energy-efficient aluminum melting furnace, a same-level hot top casting system, and related equipment. Since the establishment of ... Aluminium Alloy Co., Ltd6,Zhejiang Dingfeng Aluminum Co., Ltd7,Wujiang Longma Aluminum Co., Ltd8,Interthai Manufacturing Co., Ltd Hot-top aluminum billets casting ...