steel structure workshop (1)Light weight and neat. (2)Quick construction speed. (3) ... ,EPS sandwich plate,rock wool sandwich plate,polyurethane sandwich plate of 50mm,75mm,100mm. which is connected with the purline by ... .Bracing:X or V or other type bracing is made of angle,round pipe etc.Crane:crane span,crane lift height ... your drawing ,we can also design for you. steel structure workshop of China