FACTORY
Thailand Factory
With products key to the industry, this advanced factory manufactures bearings and automotive parts using precision turning and grinding technologies, assembles precision parts in a Class 100 (ISO Class 5) clean room, and even produces small-diameter balls.
Corporate History
| June 1988: | Established Nava-Nakorn Factory |
|---|---|
| June 1989: | Started production of watch parts |
| February 1997: | Started assembly of pivot cartridges for HDDs |
| March 1999: | Started production of ball bearings for HDDs |
| March 2000: | Started production of motor parts for HDDs |
| March 2005: | Started production of bearings and balls for HDDs |
| December 2006: | Started production of pivots for HDDs |
| March 2010: | Started production of automobile parts |
| June 2021: | Started operation of solar power generation system at Nava-Nakorn factory |
Existing equipment
| Processes | Equipment type |
| Turning | CNC automatic lathe |
| 6-axis lathes | |
| Secondary high-precision turning lathes | |
| Machining Center | |
| End-face grinder | |
| External centerless grinder | |
| Internal grinder | |
| CNC profile grinder | |
| Heat treatment | Vacuum quenching furnace (air-cooled) |
| Vacuum quenching furnace (oil-cooled) | |
| Cleaning | Automatic hydrocarbon washing machine |
| Automatic pure water washing machine | |
| Assembly | Automated assembly machine |
| Automated inspection machine | |
| Inspection machine | Roundness measurement device |
| Shape measurement device | |
| Roughness measurement device | |
| 3D shape measurement device (CMM - Coordinate Measuring Machine) | |
| Hardness tester | |
| Ion chromatography analyzers | |
| Cleanliness measurement device | |
| Fourier transform infrared spectrophotometers |
Thailand Factory environmental initiatives
CO2 reduction by solar power generation
The Nava-Nakorn Factory in Thailand has installed solar panels to provide 50% of the factory's electricity. We will continue to expand the introduction of such renewable energy sources to further reduce CO2 emissions and contribute to the improvement of the global environment.
China Factory
With our many years of accumulated experience in manufacturing watch parts and automotive ABS parts, we are moving forward with technological innovation in precision parts manufacturing for the electrification of mobility, and delivering reliable high quality and low cost in mass production to our customers.
Corporate History
| December 1989: | Established Dalian Seiko (Japan-China joint venture) |
|---|---|
| May 1997: | Started production of brand-name watch parts |
| January 2002: | Seiko wholly owned, Japan-China joint venture suspended |
| January 2003: | Started shipping automotive precision turned parts and fiber-optic parts |
| May 2004: | Acquired ISO9001 & ISO14001 certification |
| September 2005: | Acquired TS16949 certification |
| December 2009: | Established Hard Disk Components Production Division |
| August 2016: | Started production of automotive powertrain components |
| October 2018: | Started operation of online lathe operation control system |
| April 2019: | Started operation of online quality control system |
Existing equipment
| Processes | Equipment type |
| Turning | CNC lathe |
| Cam automatic lathe | |
| Cog splitter | |
| Thread rolling machine | |
| Grinding | External centerless grinder |
| Internal grinder | |
| Cleaning | Automatic washing machine |
| Heat treatment | Batch quenching furnace |
| Shaker (continuous) quenching furnace | |
| Tempering furnace | |
| Polishing | Barrel polisher |
| Shot blaster | |
| Chemical polisher | |
| Assembly | Automated assembly machine |
| Automatic parts collecting system | |
| Surface treatment | Nickel plating processes |
| Zinc plating process | |
| Other | Electrolytic deburring machine |
| Inspection | Automatic image inspection equipment |
| Manual leak inspection machine | |
| Automatic leak inspection machine | |
| Cleanliness measurement device | |
| Image dimension measurement device | |
| 3D shape measurement device (CMM - Coordinate Measuring Machine) | |
| Roundness measurement device | |
| Shape measurement device | |
| Roughness measurement device | |
| Tool microscope | |
| Hardness tester |
Topics
Winner of Continental's 2019 Best Supplier Award
Continental Automotive Systems, a global manufacturer of automotive electrical components, has awarded SII the 2019 Best Supplier Award in the “Turned Parts” category. This award is given to the company’s certified turned parts supplier that best performs in quality, delivery, sales cooperation, and cost reduction cooperation throughout the year.
The award was given in recognition of our company's efforts to supply small-diameter steel turned parts that are incorporated into the valves of ABS (anti-lock braking system) and ESC (Electronic Stability Control), which are safety devices for automobiles. Encouraged by this award, we will strive to further improve its QCD, deepen the relationship of trust with our customers, and deliver safety and peace of mind to the world through the supply of high-quality automotive parts.
