Dongguan Huashengyi Environmental Purifying Technology Co., Ltd. E-naslov:sales@hsy-airfilter.comZaAllen: sales01@hsy-airfilter.com E-naslov:HSY_waimaobu@126.com Wechat in WhatsApp: +86 13266187584 (Allen) Whatsapp: +86 18985272474 Naslov: No.113 nova cesta Anyuan, okrožje Dongcheng, mesto Dongguan, Kitajska.