请问大家灯箱外壳采用何种材料

塑钢？ 铝合金？ 轧钢板？ 不锈钢？
买型材自己回来加工 还是交给钣金工厂
或者做铝合金的小店
大家都是如何做的?

[whitepad]***400;200;400,200;;** m59,22 l36,22,35,23,34,25,34,29,36,31,37,33,38,34,38,35,45,42,47,43,50,43,51,44,53,45,61,45,62,44,63,42,65,41,66,40,66,38,67,37 67,20,57,20 e|********* m41,47 l39,48,38,49,37,51,36,52 e|********* m76,48 l77,48,78,49,78,51,80,52,80,53,82,55 e|********* m104,13 l105,12,106,12,108,11,111,10,132,10 e|********* m99,19 l98,20,98,37,99,39,100,40,102,41,103,41,104,42,106,43,141,43,142,42,144,41,145,40,146,40,148,38,148,24,147,24,146,23,143,23,142,22,140,21 135,21,133,19,100,19,99,20,98,20,96,22 e|********* m114,12 l114,13,115,14,115,34,116,38,117,39,117,43,118,41,118,40,119,38,119,36 e|********* m126,9 l126,10,127,11,127,12,128,14,129,15,130,17,130,39,129,39 e|********* m113,42 l113,48,112,49,111,51,111,52,110,53,109,55,108,56,108,64,109,65,110,67,112,68,117,73,119,74,122,74,123,75,125,76,131,76,133,77,140,77,142,75 e|********* m135,51 l135,54,134,56,132,58,131,60,127,64,125,65,124,67,122,68,121,70,120,70,118,71,117,72,101,72,100,71 e|********* m96,52 l97,51,101,51,102,52,105,53,106,53,110,54,111,55,114,56,118,56,119,57,121,58,126,58,127,59,129,59,130,60,144,60 e|********* m164,16 l166,16,170,20,171,22,173,23,173,24,175,26,175,27,176,27,176,28 e|********* m196,13 l195,14,193,15,192,17,191,18,189,19,188,21,186,22,185,24,183,25,183,26,182,26,182,27 e|********* m168,29 l179,29,181,30,188,30 e|********* m167,35 l168,36,169,36,170,37,173,37,174,38,181,38,183,39,184,39 e|********* m157,44 l159,44,160,45,166,45,167,46,176,46,177,47,201,47 e|********* m179,30 l179,56,177,58,177,59 e|********* m155,52 l156,52,158,53,159,53,160,54,169,54,171,55,177,55,179,56,184,56,186,57,192,57,193,58,194,58 e|********* m177,54 l177,55,175,57,174,59,174,60,171,63,169,64,168,66,164,70,163,72,161,74,160,76,158,77,157,79,155,80,155,81,153,83,153,85,151,86,146,91,145,93 144,94 e|********* m177,54 l177,55,178,56,178,57,179,59,179,69,180,71,181,72,181,76,182,77,182,80,183,81,184,83,184,84,185,85,186,87,186,89,187,91,187,93,188,95,188,97 189,98,189,101,191,103,191,104,192,104 e|********* m208,55 l210,55,212,53,226,53,227,54,229,55,229,56,230,56,231,57,231,58,232,58,232,59,233,61,233,66,232,67,231,69,229,71,228,73,226,74,225,76,223,77 222,78,221,78,219,79,218,80,217,80,215,81,212,82,200,82,200,77,202,76,203,74,207,70,209,69,210,69,211,68,213,67,222,67,226,71,227,73,227,74 228,75,229,77,231,78,231,80,232,80,233,81 e|********* m256,22 l254,24,253,28,253,30,251,33,250,34,249,38,247,43,246,44,245,48,243,53,242,54,239,59,239,60,238,63,238,79 e|********* m252,38 l252,37,253,36,253,35,256,32,258,31,260,29,262,28,264,28,266,27,267,26,283,26,284,28,286,29,289,32,289,33,290,35,291,36,291,37,292,39,292,47 291,51,290,52,288,57,286,61,286,62,283,66,283,67,282,70,282,74,281,76,280,77,280,82,279,84,278,85,278,95,277,96 e|********* m260,64 l260,65,259,66,257,70,254,75,253,76,249,81,246,86,244,87,229,102,224,106,223,108,210,121,207,122,205,123,204,124,201,125,199,126,198,126,198,125 e|********* m253,94 l251,94,249,96,248,98,246,99,245,101,243,102,242,104,240,105,238,108,237,110,233,114,232,116,231,117,231,118,230,120,229,121,229,123,228,124,228,130,230,131 237,138,241,140,243,142,245,142,246,144,247,145,249,145,250,146,260,146 e|********* m312,49 l313,49,316,52,318,53,319,53,321,55,322,55 e|********* m299,64 l300,65,301,65,304,67,306,68,307,68,308,69,310,70,311,70,313,71,315,73,318,73,320,74,321,75,323,75 e|********* m298,76 l298,81,297,82,296,85,295,86,295,88,293,90,293,92,292,92,292,96,293,95,293,93,295,91,296,89,298,88,299,86,300,85,302,84,303,84,304,83,307,83 307,84,308,84,308,94,306,96,306,98,304,100,303,100,302,101,300,102,299,102,298,103,296,104,291,104,286,99,286,96,291,91,293,91,294,90,297,90 e|********* m292,102 l292,114,290,116,290,120,289,122,288,123,288,132,287,133,286,136,285,138,285,143,284,144,283,146,282,147,282,148,281,150,280,151,280,153,278,155,278,157,276,159 276,160,273,163,273,164,271,166,270,168,270,169,269,170,269,169 e|********* m289,118 l287,118,286,120,284,120,281,121,280,122,279,122,275,124,274,124,272,125,270,127,268,127 e|********* m285,121 l287,123,287,128,288,130,289,131,290,134,291,136,291,138,292,140,293,141,293,142,294,144,296,146 e|********* m306,106 l317,117,318,117,321,120,324,122,326,123,327,125,330,127,332,128,334,130,336,131,339,134,340,134,341,135,342,135 e|********* m336,106 l331,106,327,108,326,109,322,112,318,114,317,116,314,118,313,119,310,121,307,124,305,125,304,127,296,135,296,136,295,136,294,137 e|********* m320,120 l320,121,319,122,317,125,316,127,313,130,313,131,311,133,309,136,308,137,307,139,306,140,305,142,303,144,302,146,302,159,303,161,304,164,304,165,305,166,306,168 308,169,309,171,313,175,314,175,319,180,321,180 e|********* m335,114 l335,115,337,116,337,118,339,120,339,122,340,122,340,123,341,123 e|********* m376,69 l376,87,375,88,374,91,373,92,373,94,371,98,370,99,370,101,369,102,367,106,367,108,366,109,364,110,364,112,363,113,363,115 e|********* m381,107 l380,108,379,111,378,112,377,114,375,117,374,118,373,120,367,126,365,129,363,130,362,132,358,136,356,140,352,143,351,145,349,146,345,150,344,150,342,151,341,152 339,152,337,154,335,155,329,155,329,154 e|********* m351,140 l352,141,352,142,351,146,350,149,350,151,349,155,347,157,347,173 e|********* m387,96 l388,97,389,97,392,100,393,102,394,102,395,103,396,103,396,104,397,105,398,105 e|********* m368,141 l370,139,371,139,373,138,381,138,383,136,386,136,387,135,389,134,393,134 e|********* m386,137 l386,162,387,163,387,174,379,182,377,182,375,184,372,184,371,183,369,182,368,181,367,181,366,180,365,180,365,179,364,178,364,174,363,173,362,171,362,163 e[/whitepad]