-YUANTAI :CHINESE TOP 500 ENTERPRISE YEKUGADZIRA- Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., yakavambwa muna Kurume 2002, *Iyo mugadziri mukuru anoshanda muERW square&rectangular chubhu/pombi, gollow chikamu chechimiro pombi, galvanized pombi uye spiral welding. ..
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