The main production of ф 48-3620mm wall thickness 6mm-40mm reinforced grade 3PE seamless steel pipe, oil and gas pipeline, oil and gas transmission project coated plastic pipe, coated plastic fire safety pipe, fire protection inside and outside coated plastic steel pipe, hot dip plastic power threading steel pipe, cable protection pipe.
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Manufacturer for Cold Galvanized Square Pipe - Fireproof coated plastic PIPE API gas line is slightly seamless – Zheyi
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China Factory for Carbon Steel Heat Exchanger Tubes - Carbon Steel Rectangular Tubing – Zheyi
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