Bontecn Group China Co., Ltd. Adres Estasyon sa Dongshangtuan, 002 County Road, Changle County, Lalawigan sa Shandong E-mail davei@bontecn.com bangtai@foxmail.com Telepono / WhatsApp 电话：+86 147 6866 6676 WhatsApp：+86 147 6866 6676
