Dongguan Huashengyi Environmental Purifying Technology Co., Ltd. R-phost:sales@hsy-airfilter.comChunAilean: sales01@hsy-airfilter.com R-phost:HSY_waimaobu@126.com Wechat & WhatsApp: +86 13266187584 (Allen) Whatsapp: +86 18985272474 Seoladh: Uimh.113 bóthar nua anyuan, dúiche dongcheng, cathair dongguan, an tSín.