1991 Gana-an Co., LTD. Tube mill 2line

1992. 05 Nam-Sun Enterior Co., LTD. Straightening machine, Polishing machine

1993. 10 Nam-Sun Enterior Co., LTD. Ø 101.6 roll

1994. 05 Nam-Sun Enterior Co., LTD. Square Tube Mill max. 100

1995. 08 Dong-Sin Co.,LTD. 10roll Straightening machine

1996. 04 Sae-Han Stainess Co., LTD. Ø127roll

1997. 05 Sae-Han Stainess Co., LTD. Miller polishing machine

1998. 10 Jang-An Heat treatment Co., LTD. Tube MILL Ø 42.7

1999. 06 Sae-Han Stainess Co., LTD. Square Tube Mill(40*40*3.0T)

2000. 01 ST Eletric Co., LTD, Sweazing machine

2000. 02 Nam-Sun Tech Co., LTD. Ø50.8 roll

2000. 03 Sin-Han Co.,LTD. Tube Mill 4line (Export and Domestic demand)

2000. 05 Sung-Do Tech Co., LTD. Mill polishing machine Ø101.6 roll

2000. 08 Young-Dong Co., LTD. Miller polishing machine, Square Tube Mill Max. 120

2000. 12 Pax Co., LTD. Polishing machine 4head

2001. 04 Wittach Stainless Steel PVT. LTD. Tube Mill 1 line ( export to Sri Lanka )

2001. 08 Sin-Han Stainless Steel Co., LTD. Tube Mill 2 line

2002. 02 Ssun-Bim Co., LTD. Tube Mill 2 line

2002. 04 Sin Han Stainless Steel Co., LTD. Tube Mill 2 line

2002. 12 Young-Dong Co., LTD. Tube Mill 6" line

2003. 03 Sam-Han Co., LTD. Laser Tube Mill 1 line

2003. 04 Sae-Han Stainless Co., LTD. Tube Mill 1 line

2003. 08 Dae-Sung Stainless Co., LTD. Square Tube Mill Max.150

2003. 10 Sin-Han Stainless Steel Co., LTD. Tube Mill 2 line

2003. 12 Yul-Chon Co., LTD. Straightening machine

2004. 02 Bu-Sung Steel Co., LTD. Straightening machine

2004. 03 Export to Viet Nam Tube Mill 3 line

2004. 04 Sam-Han Co., LTD. Straighening 2 machine

2004. 10 Export to Maxico Tube Mill 6" 1 line

2004. 10 Dong-Sih Co., LTD. Tube Mill 1" 1 line

2005. 01 Export to Mexico Cut & End Facing machine

2005. 04 Young-Dong Co., LTD. ERW Roller 5Set

2005. 06 Export to Sri Ranka 3/4" Tube Mill & Roller (Wittach Stainless Steel PVT. LTD)

2005. 07 Sam-Han Co., LTD. Drawing 3 machine and Straightening 4 machine

2005. 08 Dae Sung Stainless Co., LTD. Square Tube Polishing machine

2005. 09 SKB Stainless Steel PVT. LTD Tube Mill & Polishing & Square Tube mill & Rolls

SDSDSD S2 line (export to Bangladesh)

2005. 11 Han Kuk metal Co., LTD. Straightening machine

2005. 11 Kum-Sung Ace Co., LTD. ERW Roller 1 Set

2005. 12 Yong-Dong Co., LTD. ERW Roller 1 Set

2006. 03 Leega Co., LTD. Roll Forming machine

2006. 07 Dae-Sung Stainless Co., LTD. Square Tube Mill line Max.50

2006. 09 Sae-Han Jeong Gwan Co., LTD Straightening machine

2007. 03 Ye-Lim Metal Tube-Mill Line

2007. 03 Masteco Tube-Mill Line

2007. 03 TPC Co. Straightening Machine.

2007. 04 Han Tech Co. Square Tube-Mill Line

2007. 04 Bu-Sung Steel Co. Straightening Machine.