?Shanghai Well-Sun Precision Tool Co.,Ltd is a professional corporations of producing carbide tungsten Cutting Tools, make pcb drill bits(?3.20mm??10.00mm) and cutting tolls used in machinery industry.The annual output of drill bits is above four millions. We adopt five 5-axis ANCA CNC grinder and plunge grinder as major professional equipment.
??The engineers have rich experience in PCB tools R & D, based on quality and innovation as the start point and the final objective; we manufacture high quality products at reasonable cost by strictly process steps.