Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. bụ otu n'ime ụlọ ọrụ mmepụta ihe 500 kachasị elu na China na ụlọ ọrụ nkeonwe 500 kachasị elu na China na mmepụta ihe. Isi ụlọ ọrụ mmepụta na ahịa bụ Tianjin, nke dị na Tianjin, dị na Tianjin Daqiuzhuang Industrial Park na Tangshan Luanzhou Equipment Manufacturing Industrial Park.
Ụlọ Ọrụ Azụmaahịa Tangshan Yuantai Derun
Tianjin Yuantaiderun Logistics na Nchekwa
Isi ụlọ ọrụ Yuantai Derun
Yuantai Derun No.3 ụlọ ọrụ
Ụlọ ọrụ Yuantai nke 4
Ụlọ ọrụ na azụmaahịa Yuantai
