... powder coating. 2.Fittings is al-alloy castings. Machine suspension system kits1.Electric cabinet series:1.5mm high-quality lengzha ... steel plate, surface powder coating.2.Suspension fitting series:fittings is al-alloy castings.3.Electric cabinet ... length is 500,1000,1500,2000mm,can freely form different suspension system,casting surface powder coating processing,can strengthen the ...