Best regards Daniel Zheng Solidex Audio Co., Ltd +86-769-2360-9151/2/3 Room 1806, Building 8, Universal Commerce Center, No. 428, Dongguan Avenue, Nancheng District, Dongguan, Guangdong, China 523000 东莞市南城区东莞大道南城段 428 号寰宇汇金中心 8 栋 1806 室