After fabrication in pieces, we shall make preassembly to double check if the engineering, fabrication and construction are correct. Besides pre-assemble BF Shell, Hot Blast Stove Shell, Scruber, Cyclone, Demister, Bustle Pipe, Ball…, we also pre-assemble bridge, platform …. Afterwards, depending on the delivery condition, we shall dismantle and deliver in pieces or sub-assembled.