Profile: Containerwise Materials Handling Ltd. offers material handling products and plastic storage systems which include plastic trays and crates, pallets, and box pallets. Our products include propagation, growing trays, crates, containers, dollies, and hygienic plastic shelving. Injection molded propagation trays feature injection-molded in tough UV stabilized, recyclable polypropylene, anti-spiral root ribs in each model to prevent ball rooting and assist plant establishment, rigid in construction, and dimensionally stable for general handling and automation purposes.