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zhonghai sally suppy   sally£¨miss£© hebei zhonghai steel pipe manufacturing CO,.LTD mobile:0086-13933093605 Tel:...

API 5L Spiral welded   Spiral welded pipe...

Black seamless and w   1.Products:carbon steel seamless pipes,piplines,ERW Steel pipe,Spiral steel pipe. 2.Size:4" to...

carbon steel pipe.20   1.Products:carbon steel seamless pipes,piplines,ERW Steel pipe,Spiral steel pipe. 2.Size:4" to...

Q345B Spiral welded   Mr Andy Hebei Zhonghai Steel Pipe Manufacturing Co.,Ltd. Add: Yanshan Longtan industrial...

Zhonghai Steel Pipe   Hebei Zhonghai Steel Pipe Manufacturing CO,.LTD established in 1997 and offers investments for the...