Hunan Great Steel Pipe Project

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Hunan Great Steel Pipe Project

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产品:

API 5CT Casing Standards & Steel Grade: Seamless Steel Pipe:API 5CT J55/K55/M65/N80-1/N80Q/L80/C90/T95/P110, ISO 13680ERW Steel Pipe:API 5CT H40/J55/K55, ISO ...