1) Main equipment used: automatic precision lathe and CNC machines 2) Able to produce parts with external diameters between 0.5 and 40mm with tolerance of +/-0.01mm, lengths between 0.5mm and 120mm with tolerance of +/-0.02mm, precision ground to +/-0.001mm, and precision punch to +/-0.01mm 3) All goods are strictly monitored through production and inspected for flaws before shipping 4) We supply special screws, bolts, pins, insert nuts, rivets, bearing, studs, pipes, fittings and so on 5) Used in many industries, especially in electronic, computer, automobile, machinery, medical instrument and sport equipment