A screw with pre-assembled washer reduces stress from assembled nut and mating part. SEMS screws are also considered as anti-loosening screws, which can be used in engines and machineries.
- 2020 Holiday Notice of Tomb Sweeping Day.
We will close our company for Tomb Sweeping Day from Apr 2 to Apr 5, 2020. Returning to the office on Monday Apr 6. Thank you very much for your support and understanding.Read More
- 2020 Holiday Notice of Labor Day.
We will close our company for Labor Day on May 1, 2020. Returning to the office on Monday May 4. Thank you very much for your support and understanding.Read More
- ISO 9001: 2015 Quality Management
We update our ISO 9001:2015 certificate at July 2018.Read More