Hebei Zifeng New Energy Technology Co., Ltd. Indirizzu Rm501, Edificiu Shenglun, Strada Heping West, Shijiazhuang, Hebei, Cina. E-mail info@zifengtech.com zifengpipeline@163.com U telefunu 0086-13383210500 0086-311--13383210500 Stonde Luni-Venerdì: 9 ore à 6 ore Sabatu, Dumenica: Chjuditu