Solar collector for project hot water

Manifold : new design with have patent protection , it is not round or four-square design but eight-square design

Outer of manifold is made of aluminium alloy(2.5mm) or stainless steel(0.4mm) or color armot plate(0.4mm). Inner of manifold is made of stainless steel.

Frame: galvanized steel or stainless steel or angle iron with coating