1never watertight 2ISO9001:2001&ISO9001:2008 3flexible design and stable structure 4long service life 5superhigh quality JH steel strucure workshop feathers ApplicationsPermanent & temporary residence, Labor camp, office, workshop, warehouse and etc.CharacteristicsFlexible dimension, lower cost, quick fabrication, easy delivery, fast installation, Reliable seismic, good insulationUnique featherWe ...