NingBo Trisan Technology Co., Ltd. Navnîşan No.281 Xinyan Rd.W, Kolana Ditang, bajarê YuYao, NingBo, Çîn E-mail info@itrisan.com sales@itrisan.com Telefon 86-13486018816 86-13777159399 Whatsapp +86 13486018816