Hebei Zifeng New Energy Technology Co., Ltd. Manzil Rm501, Shenglun binosi, Heping West Road, Shijiazhuang, Xebey, Xitoy. Elektron pochta info@zifengtech.com zifengpipeline@163.com Telefon 0086-13383210500 0086-311--13383210500 Soatlar Dushanba-juma: 9:00 dan 18:00 gacha Shanba, yakshanba: yopiq