Spiral steel pipe
1.Standards: ASTM-A53A, BS1387-1985, GB/T3091-2001.
2.Applications range: petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, gas metallurgy, shipbuilding, construction, etc.
3.anti-corrosion and high-temperature resistant with black painting
4. All the production process are made under the ISO9001:2000 strictly.
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