Large Diameter spiral steel pipe refers to the spiral steel pipe in big size, which is generally required to be more than 1000mm in diameter.
Natural Gas Transportation Spiral Seam Steel Helical Welded SSAW Pipe With High Quality .
A: We are factory.
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: 30% T/T in advance ,balance before shippment, or L/C at sight balance of copy of B/L
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