Size of C shape purlins: 1) No. 1 model: a) Size: 80 x 40 x 15 b) Thickness: 2.0 - 3.0mm c) Coil width: 166mm 2) No. 2 model: a) Size: 80 x 40 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 176mm 3) No. 3 model: a) Size: 100 x 50 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 216mm 4) No. 4 model: a) Size: 100 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 236mm 5) No. 5 model: a) Size: 120 x 50 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 236mm 6) No. 6 model: a) Size: 120 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 256mm 7) No. 7 model: a) Size: 140 x 50 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 256mm 8) No. 8 model: a) Size: 140 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 276mm 9) No. 9 model: a) Size: 160 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 296mm 10) No. 10 model: a) Size: 160 x 70 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 316mm 11) No.11 model: a) Size: 180 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 316mm 12) No. 12 model: a) Size: 180 x 70 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 336mm 13) No. 13 model: a) Size: 200 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 336mm 14) No. 14 model: a) Size: 200 x 70 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 356mm 15) No. 15 model: a) Size: 220 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 356mm 16) No. 16 model: a) Size: 220 x 70 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 376mm 17) No. 17 model: a) Size: 240 x 60 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 376mm 18) No. 18 model: a) Size: 240 x 70 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 396mm Size of Z shape purlins: 1) No. 1 model: a) Size: 80 x 40 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 179mm 2) No. 2 model: a) Size: 100 x 40 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 199mm 3) No. 3 model: a) Size: 100 x 50 x 20 b) Thickness: 2.0 - 3.0mm c) Coil width: 219mm 4) No. 4 model: a) Size: 120 x 40 x 20 b) Thickness: 2.0 - 3.0