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Our company specialized in foreign steel pipe, oil casing and tubing, line steel pipe and seamless steel pipe. Standard: API 5CT, API 5L, ASTM A106, ASTM A53 .Specification: Oil tubing: 2-3/8?----4-1/2?, Type of end-finish: EUE, NUE Oil casing: 4-1/2?---20?, connection: STC, LTC, BTC. Material: Oil casing and tubing: J55, K55, N80, L80, P110 . Line Pipe: B X42, X46, X52, X52, X56, X60 . Seamless Steel Pipe: 10#, 20#, 35#, 45#, 16Mn
20# seamless steel pipe
Cangzhou Ronald Pipeline Equipment Manufacturing Co.,Ltd
