Dongguan Huashengyi Environmental Purifying Technology Co., Ltd. E-mail:sales@hsy-airfilter.comKanggoAllen: sales01@hsy-airfilter.com E-mail:HSY_waimaobu@126.com Wechat & WhatsApp: +86 13266187584 (Allen) Whatsapp: +86 18985272474 Alamat: No.113 dalan anyar anyuan, distrik dongcheng, kutha dongguan, China.
