https://www.kaysuns.com/stainless-steel-spiral-tubing-dual-tube-coil-heat-exchanger/
Stainless Steel Spiral Tubing Heat Exchanger Coiled Tube - KAYSUNS
Nov 3, 2025 - Stainless Steel Heat Exchanger Coiled Tube A213/A269 TP304L, TP316/316L, TP310S, TP321H, 904L. Austenitic, duplex stainless steels, nickel alloys, titanium.
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https://www.panhuametalmaterial.com/pol/ProductShow.asp?ID=42
Large diameter coiled tube|Poland Panhua Metal Sales Center
Poland Panhua Metal Sales Center Specializing in the production and sales of Poland Pipeline Pipe, Poland Galvanized Pipe, Poland Precision Steel Pipe, Poland...
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