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Octal is a professional piping supplier in China, we are offering premium steel pipe in API 5L X65 PSL1, and PSL2, types in seamless, welded ERW, SSAW and LSAW.
Octal is a professional piping supplier in China, we are offering premium steel pipe in API 5L X65 PSL1, and PSL2, types in seamless, welded ERW, SSAW and LSAW.