
HEWAI Pex-Al-Pex Multilayer Composite Pipe for Water and Gas with Germany Quality. 50-Year Warranty: Comprehensive 50-year warranty coverage for all mechanical defects and material integrity. High-Speed Production: Advanced extrusion lines capable of producing 300,000 meters of pipe daily. Premium Raw Materials: Sourced from top global suppliers including Dowlex, MitsuiChemicals, SK, LG, and Kuraray. Full System Guarantee: In-house manufacturing of PEX, multilayer pipes, and fittings ensures complete system compatibility. Laser Welding Technology: Seamless butt laser welding offers superior stability and crack resistance compared to overlap welding. Multi-Standard Compliance: Meets GB/T18997, ASTM F 1281/1282, and EN ISO 21003 international standards. OEM Service Available: Flexible OEM customization options including design and sample-based manufacturing.