... 4.Experienced,builded in 1997' This kind of the K-19 galvanized steel channel ,is more conveniced ... 75*25mm, 75*40mm, 100*40mm, 100*25mm or as your request4. UD28 size: 27*28mm5. CD60 size: ... Main channel: 38*12mm, 38*10mm, 50*12mm or as your request7. Furring channel: 68*35mm,50*19mm8. Length ... 7mm,0.8mm or as your request We can make the size as your request The following is the more pictures of ...