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High-end square and round tube forming machine | Stainless steel sheet metal pipe mill line
3YRSFoshan Yuanxinya Machinery Equipment Co., Ltd.
oil carbon steel seamless linepipe
13YRSSinotai Petroleum Equipment Co., Ltd
Line Pipe API 5L Psl1/Psl2 Spiral Steel Pipe for Natural Gas Industries
5YRSTianjin Youfa International Trade Co., Ltd.
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