Creform How-to Resources Events Over The Years As Your PartnerGravity Roller Conveyors GRC Home WHICH GRC IS RIGHT FOR ME?Creform …a truly global concept. The Creform System, employed worldwide for over 50 years, has combined all of the elements of efficient material handling that today are recognized as critical to success in global manufacturing.Creform speaks a universal language with its easy-to-understand concept. There are no complicated mathematical and structural formulas to consider, only a few load bearing specifications.