we manufacture die-trimming facilities as follows: 1.Ultra-short sound wave grinder,its model as follows: A.JP-100A2: trimmed diamiter is less than 0.5mm. B.JP-150A2:trimmed diamiter is less than 3.0mm. C.JP-250A2:trimmed diamiter is less than 10.0mm. 2.Wire Polished Machine,its model as follows: A.JP-2D:Polished bore diamiter is less than 4.0mm B.JP-1D:Polished bore diamiter is less than 8.0mm. 3.Ultra-short sound wave washing machine:JP-150W. Besides these,we provide deformed pole; steel needle/pins;ore wheel;yellow wax;blade and handle;silver welded powder;standar wire; and etc