1977.06	Sampo Industrial founded
1978.11	Electric furnace installed
1980.12	Approved as a small and medium sized company practicing modernization
1981.07	License to export and import obtained
1983.11	New office building completed
1984.10	4 sets of drawing machine installed
1985.02	KS mark obtained (KSD5301 No. 3827)
1986.01	Designated as a prospective small and medium sized company by Korea Industrial Bank )
1989.05	Electric Heating Furnace and underwater extruder installed

1995.07	Took over Kuri Metal Co., Ltd., in Eumsung
1995.08	Combined Machine installed
1996.02	New production line of thin tubes installed
1997.12	Huge extension of Eumsung factory (Kuro factory moved to Eumsung)
1997.12	Rolling drawing machine (Tube Reducing Mill) installed
1998.01	Production facilities of Copper and copper alloy tubes completed
1999.10	Acquired ITS certificate (North American industrial standard)
2002.07	Acquired ISO 9001 by KOTRIC certification center
2002.11	Awarded for the exporting amount of US$5 million
2003.02	Acquired NSF certificate (National Sanitation Firm )
2004.02	Acquired JIS certificate (Japanese Industrial Standard)
2005.11	Acquired AS certificate (Australian Standard)
2006.11	Established SMARTCO in Australia
2006.12	Awarded for the exporting amount of US$10 million

2008.06	Casting & Rolling Mill (Horizontal Continuous Casting & Rolling Mill) Installed
2008.07	Approval of Material Manufacturer against PED97/23/EC (TI, Slovak Republic)
2008.10	Mesh belt Type Furnace Installed
2008.11	Awarded for the exporting amount of US$20 million
2009.02	Acquisition of WH Mark Certification (INTERTEK)
2009.03	Acquisition of CE Mark Certification EN1057 (Europe)
2011.01	Awarded for the exporting amount of US$30 million
2011.09	Establishment of additional Combined Machine
2011.09	Acquisiton of KC Mark Certification
2011.11	Awarded for the exporting amount of US$50 million
2013.11	Awarded for the exporting amount of US$70 million
2014.03	Intruduction of High Speed Pancake Coiler and automation facility
2015.01	Establishment of Digitalization in the production site (manufacturing excution system)
2015.06	Installation of Pancake Coil box packaging automation and robot palletizing
2017.06	Packing automation system installation