... communication service. Description:Type: Both Slotted and Plain strut channel. Trade Size :Wall Thickness*Width*Height*Length 1. ... plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder, Anodizing, E-coating, Silkscreen, Heat treatment, Black oxid; 4) Standard/ specification ... ; 5) Inspection, Three lines of inspections before packing. Coating thickness tester, Roughness tester, Go /Ungo Gauge, Sault ...