Tianjin Youfa igwe anaghị agba nchara Co., Ltd. e hiwere na November 21, 2017, nke bụ enyemaka nke Tianjin Youfa Pipeline Technology Co., Ltd. n'okpuru Tianjin Youfa Steel Pipe Group Co., Ltd. Ebe ọ bụ na e guzobe ya, ụlọ ọrụ nwere. etinyere aka na nyocha ...
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