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Hunan Standard Steel Co., Ltd |
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| Hunan Standard Steel Co., Ltd is a leading manufacturer and distributor of seamless steel pipe, welded steel pipe, OCTG products(casing pipe and drill pipe), hollow section (square tube and retangular tube) and pipe fittings (such as pipe flange,elbow,reducer).
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| Hunan Standard Steel Co., Ltd |
| Changsha, Hunan |
| China |
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