Bontecn Group China Co., Ltd. alamat Stasiun Dongshangtuan, 002 County Road, Changle County, Provinsi Shandong E-mail davei@bontecn.com / coco@bontecn.com / bangtai@foxmail.com Telpon / WhatsApp Telpon: +86 19862622677WhatsApp: +86 14768682288
