1. Product structural characteristics
・Uniform wall thickness ・Standard roundness ・Not easy to tear
・Low residual stress ・Corrosion and acid resistance ・Seismic and shear resistance

2. Connection technology advantages
・No need for hot melting (no inner flange at the interface)
・No electricity required (loose construction conditions)
・Tight interface without leakage
・Flexible connection (adapt to uneven settlement)

3. Installation and durability characteristics
・Lightweight and easy to install (suitable for small spaces)
・Pipe section length can be customized
・Design life of 50 years