4 general categories of caster wheel

1) Furniture caster wheel (usually load in 5-35kgs)
2) Light Duty caster wheel (usually load in the 35-150kgs)
3) industrial caster wheel (usually load in the 130-4000kgs)
4) Architecture caster wheel(generally used for scaffolding, construction category)

Furniture caster mainly produce by injection molding methods;
Light duty caster mainly use metal stamping bracket, complete with plastic wheels and other processes;
Industrial caster wheels mainly assemble by metal stamping and forging or welding frame, wheels are generally used injection type wheels, Iron cast wheels
Architecture caster are also in line with metal stamping and casting caster frame with injection wheel or iron cast wheels;

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