Place of origin:
Korea
Price Condition:
FOB
structure of interconnected pores to give the desired porosity and to act as a permanent oil reservoir.
The sintered material can then be machined into any ring shape and heat-treated to the hardness of steel, although it is naturally not as solid due to its pore structure.
The ring then acts as an oil-retaining bearing from which the traveller, as it rotates, draws oil by automatic capillary act
[Related Keywords : Ring, Spinning Ring, two for one ring, twister ring]