Shanghai Well-Sun Precision Tool Co., Ltd. is a professional corporations of producing carbide tungsten cutting tools, make PCB drill bits (Φ 1.50mm～Φ 6.50mm) , cutting tools used in machinery industry, nail drill bits and dental lab carbide tools. The annual output of drill bits is abouve eight millions. We adopt five 5-axis ANCA CNC grinder and plunge grinder as major professional equipment and high precision professional testing equipment.
The engineers have rich experience in Carbide tools R&D, based on qulity and innovation as the start point and the final objective; we manufacture high quality products at reasonable cost by strictly process steps.