[Aotewei: holding subsidiary signs 480 million yuan equipment purchase contract] Science and Technology Innovation Board Daily reported on the 5th that the holding subsidiary Song porcelain Machinery and Electrical Co., Ltd. signed an "equipment purchase contract" with Qinghai Jingke Energy Co., Ltd. Pine porcelain Machinery sells large-size single crystal furnaces to Qinghai Jingke Energy Co., Ltd., with a contract amount of about 480 million yuan.