Global Supply a.s. Worldwide cooperation Road covers Road covers cataloque Our company delivers products form ductile iron and composite materials. Among others we offer: - Ductile iron manhole covers - Plastic material (GRP or SMC) manhole covers - Ductile iron hydrants We offer round and square shape covers in the following classes: - class A15 - class B125 - class D400 Our goal is to offer a quality products which is in accordance with european norms. Our products are therfore certified.