Precision casting and create grooves on the aluminum core to increase contact area, apply glue twice and have high hardness PU resin for long-term use.
Precision casting and create grooves on the aluminum core to increase contact area, apply glue twice and have high hardness PU resin for long-term use.
Precision casting and create grooves on the aluminum core to increase contact area, apply glue twice and have high hardness PU resin for long-term use.