All categories
Motor Car
A.B type subway car-hand lay-up/vacuum introduction FRP hood
A.B type subway car-manual welding (aluminum alloy or stainless steel)) front frame
A and B type subway cars-friction welding + manual welding aluminum alloy roof
Straddle monorail car-friction welded aluminum alloy end wall
A-type subway car-automatic welding + manual welding aluminum side wall
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