Wiho metals is a professional steel pipe supplier, stockist,  and processing center. We are working with the state-owed steel plant like BAO STEEL and VALIN STEEL, WIHO metals has provided line pipe and oil country tubular goods (OCTG), casing and piping for the oil and gas industry. The pipe we supplied conforms to the requirements of API 5CT and 5L with a wide range of steel grades, perfectly suited for all oil or natural gas production and transportation environments

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