1.templet formwork 2.high ribbed formwork 3.convenient to use 4.strong expantiong resisting Material: Hot- ... civil engineering such as tunnel, bridge, raft-style foundation, sewer system, subways, retaining wall, nuclear power station, docks, storing tanks, skyscrapers ... .453.70450220014-20900500.504.10450220014-2090 stainless steel high ribbed formwork