Hardware handles the process of is what?

Metal polishing base has been implemented, address: AngYi fishing cross the village ( Wood group for land) Polishing machine number 800, now the relevant matters: - ->
q: what is the process of metal shake handshandle?
two metal parts to clean up after casting of sandblasting polishing on screw place need screws and those who don't know what is in the middle of the plastic protective film plating ~ if it is need more plastic core just strength after the mold need to increase the polishing and two metal parts assembly

this is the industrial metal shake handshandle.