API, API 5CT, API 5L, API 5DP, ASTM A106-2006, ASTM A53M-2007, DIN EN 10217-1-2005, DIN 28180-2007, GB/T 8163-1999, GB 13296-2007, GB/T 13793-1992, GB/T 8713, GB/T9711, GB 5130, GB/T5310, JIS G3454-2007
Bundles with plastic film, black painting, inputting plastic cap, stardard exporting package,by bulk or by container.
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