... In addition, we have customers all over the world, and we have good long-term healthy relations with them. That ... steel: grade: AISI 201, 304 4302) Applied field: construction upholstery, and industry instruments (fencing, railing, security doors / windows, gate fittings, ... ,30x30,36x36,38x38,40x40,48x48,50x50,60x60,70x70,80x803)Rectangular pipes - Outside dimensions(mm) : 20x10,23x11,24x12,25x13,28x13, ...