Propaganda serat
Aluminium 1 mm
Aluminium 1 mm
Baja karbon 16 mm
Tabung persegi ss 1 mm
Pipa bulat ss 1 mm
Baja tahan karat 1 mm
Plat galvanis 3 mm
Pipa bulat cs 3mm
Pipa bulat ss 1,5 mm
