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SSAW Steel Pipe Spiral Welded Steel Pipe made in China, US $ 1050 - 1500 / Ton, GB, GB/T 9711.1-1997, GB/T9711, Q195-Q345, Q235, Q345, 5 - 16 mm.Source from Zhejiang Shengda Steel Tower Co., Ltd. on Waimaotong.com.