screw nut bolt

Dear Sirs,WE are fastener, screws, nut, bolt manufacturer in TAiwan.   Our product range is as below:1.HEX SOCKET CAP SCREW2.SELF TAPPING SCREWS3. NUT4. BOLT 5. ANCHOR 6.SELF DRILLING SCREW WITH EPDM7.WOOD SCREW8.CHIPBOARD SCREW9.DRYWALL SCREW10.BI-METAL SELF DRILLING SCREW11.TRIANGULAR SCREW THREAD12..HIGH LOW THREAD SCREW13.MICRO ELECTRONIC SCREW 14. PC , ELECTRONIC SCREW15. AUTO SCREW16.CONTAINER SCREW17.SOCKET SET SCREW18.SEMS SCREW19.SCREW CUTTER  SCREW 20.MACHINE SCREW21.SPECIAL SCREW 22. WASHER23. Customerized items MaterialLow Carbon Steel, Medium Carbon Steel, High Carbon Steel, Alloy Steel, Boron Steel, Cor-Ten Steel, Brass SteelStandardIFI, DIN, ISO, BS, AS and JISMechanical PropertyGR1, GR2, GR5, GR5.1, GR5.2, GR8, GR8.1, GR8.2CL4.6, CL4.8, CL5.8, CL6.8, CL8.8, CL9.8, CL10.9, CL12.9, and CL14.99 Surface TreatmentSurface TreatmentBlack OxideBlack Zinc PlatedCopper PlatedDacromat PlatedHot Dipped GalvanizedMechanical GalvanizedNickel PlatedOil Quenched with Black FinishedPhosphate & OilRuspert Colorful PlatedWaxedZinc Plated