ABOUT CFOUR
As the leading building solutions provider which has been committed to quality and innovation we distribute various upvc products by providing our 4 brands such as:
CPAN SIDING: vinyl siding and accessories
CFOUR: windows and door profile
CPAN: indoor siding panels and ceiling
CDOOR: wood polymer doors
QUALITY CONTROL AND TESTING
One of our key features at CFOUR is testing to ensure maintaining fine quality. In our advanced laboratory which has established in 2011, we check Material, Appearance, dimensions and tolerances, mass of main profiles, heat reversion, resistance to impact of main profiles by falling mass, behavior after heating at 150 c, and resistance to weathering and weldability.