(1)Seamless steel pipe:OD 1/4-30 W.T 1.25mm to 30mm ,applicable to transport liquid, gas, oil and eneral structure, mechanical structure with seamless steel pipe.
(2) ERW steel pipe :OD 1/2-52 W.T 1.65mm to 25mm Used for low pressure liquid delivery, such as water, gas, and oil.
(3) SAW steel pipe ,spiral steel pipe: 219mm to 3120mm .W.T 3mm to 25mm) for use in transportation of oil; gas & Petroleum products ,electric power station and others

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