1. Caster for chairs, tables and cabinets 2. Twin wheel caster ... the National standard GB/T14687-93 and GB/T14688-93 for industrial caster in 1993 and 2011. 2) Our ... cutting, punching, welding, surface plating, machine assembling and capability tests for furniture caster, instrumental caster, industrial caster, heavy-duty industrial caster ... also let us know, we could make it customized for you.