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Product Description
Main specification for our company's seamless tubes is
&8-&630, the implementation standards of it is GB/T8163-1999,
GB/T8162-199, GB/3087-1999, API 5L, API 5CT, ASTM A106, ASTM A53,
BS1387-1985, material is 10#, 20#, 35#, 45#, A106, A36, and all kinds of
alloy seamless steel tubes.