Gwoup Bontecn Lachin co, Ltd. Adrès Dongshangtuan estasyon, 002 County Road, Changle County, Shandong Pwovens Imèl davei@bontecn.com / coco@bontecn.com / bangtai@foxmail.com Telefòn / WhatsApp Telefòn: +86 19862622677WhatsApp: +86 14768682288