Bontecn Group Cina Co., Ltd. Alamat Stasion Dongshangtuan, Jalan Kabupaten 002, Kabupaten Changle, Propinsi Shandong Surélék davei@bontecn.com bangtai@foxmail.com Telepon / WhatsApp Telepon: +86 147 6866 6676 WhatsApp：+86 147 6866 6676
