TIANJN YUANTAI DERUN PIPE MANUFACTURING GROUP CO,.LTD Aagga Warshadaha ee Daqiuzhuang Jinghai Tianjin Shiinaha sales@ytdrgg.com +8613682051821 86-22-58951960 86-22-58951959 Fariintaada noo soo dir: Halkan ku qor fariintaada oo noo soo dir