Dongguan Huashengyi Taiao Purifying Technology Co., Ltd. Ī-mēra:sales@hsy-airfilter.comKiAllen: sales01@hsy-airfilter.com Ī-mēra:HSY_waimaobu@126.com Wechat & WhatsApp: +86 13266187584 (Allen) Whatsapp: +86 18985272474 Wāhi noho: No.113 hou anyuan rori, rohe dongcheng, pa dongguan, Haina.