Dongguan Sanhewlett Metal Products Co. , Ltd. . A Taiwan- Owned enterprise department, Specializing in the production of standard and non- Standard pieces of screws, Nuts and metal stamping company, Covers an area of 10, 000 m2, For the strength of large- Scale production . 1989 Taiwan company has founded. 1993 We founded Sanhewlett Metal Products (Shenzhen) Co. , Ltd. In mainland China. 2005 in order to expand our production capacity we moved to Dongguan City and Found Dongguan Sanhewlett Metal Products Co. , Ltd. 2005 9 passed TUV ISO9001: 2000 certification in October through . 2007 in TS16949 certification. Market covers Europe, The United States, Australia and other ten countries. Business covering automobiles, Bicycles, Sports equipment, Furniture and many other industries. The main production equipment: Multi- Stroke (Gong- Bit) machine screws, Nut forming machines, A two- Mode red screw machine, Punch, Various types of automated and semi- Automated processing equipment. Product range: Diameter of 2 ~ 16mm, Length less than 300mm. Production Material: Carbon steel, Alloy steel (scm415, 435, 440 . . . ), Stainless steel (sus302, 304, 410 . . . ), Copper, Aluminum (997, 5052, 6061) and so on. Screw rating: Metric: 3. 6, 4. 8, 5. 8, 6. 8, 8. 8, 9. 8, 10. 9, 12. 9 class English: E2, E5, E8, Etc. Main Products: Mechanical screws, Self tapping screws, Wood screws, Internal and external teeth, Rivets, Hollow screw, Headless screw, Metal stamping parts, Lathe parts Per month can be: 350 tons The main quality control equipment: Universal testing machine, Hardness machines, Projectors, Salt spray test machine, Three- Wire gauge, Torque wrench, And so on .