Regular Specification for Ceiling Suspension System:
DU38    38*12*3000/6000*0.8 / 1.0mm
DU50    50*15*3000/6000*1.0 / 1.2mm
DU60    60*27*3000/6000*1.2mm
DC50    50*15*3000/6000*0.38 / 0.45mm
       50*19*3000/6000*0.38 / 0.45 / 0.5mm
DC60    60*27*3000/6000*0.6mm

Regular Specification for Partition Wall System:
QC75    75*35*3000/6000*0.5/ 0.6 / 0.7mm
       75*40*3000/6000*0.6mm  
       75*45*3000/6000*0.6 / 0.7mm
       75*50*3000/6000*0.6mm
QC100   100*45*3000/6000*0.7mm  
       100*50*3000/6000*0.7mm
QU75    75*35*3000/6000*0.5 / 0.6 / 0.7mm
       75*40*3000*6000*0.6mm
QU100   100*35*3000/6000*0.7mm
       100*40*3000/6000*0.7mm

Different dimensions can be made as required.