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1. The arc-shaped spiral pipe joint has better strength and gas density than the ordinary round pipe and the inner joint of the pipe wall. It is suitable for air-conditioner returning wind, fire supply and so on.
2. It adopts high-speed flying cutter, no burrs, no need for secondary processing, safe construction, and high precision of pipe diameter.
3. Use SPIRROIB special enhanced spiral duct, which is more economical and saves materials. Light weight and convenient construction. Complete specifications, fast production and fast delivery.
4. The CRIMPER (wave pattern) joint is used below the pipe end of 500mm, and the flange is used. The combination is rapid and the gas density is high.
