Color classification
Cream White [handrail + round explosion-proof glass]]
[Upgraded bold steel frame] Cream White (Beech handrail + round high temperature resistant tempered glass)
Obsidian black [handrail + round explosion-proof glass]]
[Upgraded and Bold Steel Frame] Obsidian Black (Beech Handrail + Round High Temperature Tempered Glass)
Cream White [handrail + Oval explosion-proof glass]]
[Upgraded Bold Steel Frame] Cream White (Beech Handrail + Iron Storage Frame + Oval Tempered Glass)
Obsidian black [handrail + Oval explosion-proof glass]]
[Upgraded Bold Steel Frame] Obsidian Black (Beech Handrail + Iron Storage Frame + Oval Tempered Glass)