Tianjin Zhongfa Valve Co., Ltd. E-mail sales@zfavalve.com Telefon +86 13212024235 Whatsapp/Wechat +86 13212024235 Manzil №38, Baoyuan yo'li, Jinnan iqtisodiy rivojlanish zonasi, Jinnan tumani, Tyanjin, Xitoy.