History
2017 ~ Now
| 2019 | 2019. 09 | Supplied Machined axle parts gear blank to Hyundai Transys. |
| 2019. 09 | Acquired SQEP Platinum Level certification from Caterpillar. | |
| 2019. 12 | Built a new plant (for Machining) | |
| 2018 | 2018. 09 | Acquired SQEP Platinum Level certification from Caterpillar. |
| 2017 | 2017. 08 | Acquired SQEP Platinum Level certification from Caterpillar. |
2012 ~ 2016
| Designated as a Root Technology Specialized Company (Small and Medium Business Administration). | 2016. 02 | 2016 |
| Selected as a promising export small and medium-sized business. | 2016. 06 | |
| Acquired SQEP Silver Level certification from Caterpillar. | 2016. 08 | |
| Acquired SQEP certification from Caterpillar. | 2015. 06 | 2015 |
| Expanded and moved the machining business division (Mieum-dong, Gangseo-gu, Busan). | 2015. 08 | |
| Installed chopping prevention equipment on the 4,000 ton press line. | 2013. 08 | 2013 |
| Obtained a patent for forging feed gears and excavator yoke molds. | 2013. 10 | |
| Installed partial automation robots on the 3,500 ton press line. | 2012. 05 | 2012 |
| Extended machining facilities at Busan M/S. | 2012. 05 | |
| Registered as first vendor of Caterpillar Inc. | 2012. 07 | |
| Installed chopping prevention equipment. - 2,500 ton press line - 3,500 ton press line - 4,500 ton press line |
2012. 12 |
2000 ~ 2011
| 2011 | 2011. 01 | Established the Busan machining plant (Busan M/S). |
| 2011. 02 | Installed semi-automated robots for 7.5 inch upsetter line part. | |
| 2011. 03 | Obtained a patent related to the yoke shaft. | |
| 2010 | 2010. 02 | Received "Best Quality Supplier" from Volvo Construction Equipment. |
| 2010. 02 | Certified as a parts-materials specialized company. | |
| 2009 | 2009. 02 | Selected as an Inno-Biz (technical innovative small and medium-sized business) by the Small and Medium Business Administration, and certified as a venture business (Korea Technology Finance Corporation). |
| 2008 | 2008. 07 | Established R&D Center. |
| 2007 | 2007. 07 | Launched company-wide management innovation movement. |
| 2006 | 2006. 08 | Obtained a patent for a forging device using the open/close type mold. |
| 2005 | 2005. 05 | Increased the 4,500 ton press line. |
| 2004 | 2004. 10 | Acquired ISO/TS 16949, ISO 14001, OHSAS 18001 certification (SGS) |
| 2003 | 2003. 12 | Acquired ISO 14001 certification (KMAQA) |
| 2000 | 2000. 01 | The company name changed to Sinil Co., Ltd. |
| 2000. 12 | Acquired QS 9000 certification (KMAQA). |
1987 ~ 1999
| Acquired ISO 9002 certification (Analysis Business Certificate). | 1999. 08 | 1999 |
| Increased the upsetter line. | 1994. 01 | 1994 |
| Designated as a class 1 company in the factory quality control field. | 1993. 12 | 1993 |
| Increased the 1600 ton press line. | 1992. 11 | 1992 |
| Started the production of hot forging products (vehicle, heavy equipment, agricultural machinery parts) | 1988. 08 | 1988 |
| Established "Bangwon Metal". | 1987. 01 | 1987 |