Dongguan Huashengyi Environmental Purifying Technology Co., Ltd. E-mail:sales@hsy-airfilter.comBerAllen: sales01@hsy-airfilter.com E-mail:HSY_waimaobu@126.com Wechat & WhatsApp: +86 13266187584 (Allen) Whatsapp: +86 18985272474 Navnîşan: No.113 riya nû ya anyuan, navçeya dongcheng, bajarê dongguan, Chinaîn.
