... DIN, GB, JISGrade:Q215,Q235,A36,SS400,SS540Commoditystructural steel C/Z type channel steelShapeC/Z ChannelModel Numberh:80mm- ... to assemble and dismantle(5). Eco-friendly material: can be used for several times and can be recycled(6 ... of the major color plate steel and structure of the group company."For quality observing contract and valuing ... -term partners. C/Z type channel steel purlin for building