| 1 | SAM SUNG HEAVY INDUSTRIES' | 4 pcs | 1992. 06 |
| 2 | SAMSUNG DATA SYSTEM | 2 pcs | 1992. 01 |
| 3 | DONG HAE PULP | 2 pcs | 1996. 04 |
| 4 | HYUNDAI HEAVY INDUSTRIES | 5 pcs | 1999. 01 |
| 5 | HYUNDAI HEAVY INDUSTRIES(India)?? | 16 pcs | 2001. 05 |
| 6 | Yangzi Petrochemical(China) | 12 pcs | 2004. 06 |
| 7 | SAEWHA INST | 4 pcs | 2004. 12 |
| 8 | HYUNDAI ENG | 5 pcs | 2006. 11 |
| 9 | ACM | 4 pcs | 2007. 10 |
| 10 | SEYU INTECH | 1 pc | 2008. 01 |
| 11 | Sinopec Tianjin Branch, China | 21 pc | 2008. 01 |
| 12 | ACM | 5 pcs | 2008. 07 |
| 13 | SEIN TECH | 3 pcs | 2008. 08 |
| 14 | ACM | 3 pcs | 2008. 07 |
| 15 | 中国石化镇海炼化分公司（ZRCC) , China | 21 pc | 2008. 10 |
| 16 | 中国石化镇海炼化分公司（ZRCC) , China | 5 pcs | 2008. 11 |
| 17 | 中国石化镇海炼化分公司（ZRCC) , China | 1 pc | 2008. 12 |
| 18 | ACM | 2pcs | 2009. 01 |
| 19 | Songyuan Sailishida, China | 1 pc | 2009. 01 |
| 20 | ICHI/SURE TECHNOLOGY GROUP LIMITS | 18 pcs | 2009. 03 |
| 21 | 中国石化镇海炼化分公司（ZRCC）, China | 10 pcs | 2009. 05 |
| 22 | BASF-YPC Company Limited , China | 8 pcs | 2009. 05 |
| 23 | ICHI/SURE TECHNOLOGY GROUP LIMITS , CHINA | 1 pc | 2009. 08 |
| 24 | MYUNGSIN | 8pcs | 2009. 10 |
| 25 | SAEWHA INST | 3pcs | 2009. 11 |
| 26 | KNC ENERGY | 1pc | 2010. 08 |
| 27 | HANSOL TECH | 4pcs | 2011. 03 |
| 28 | ICHI/SURE TECHNOLOGY GROUP LIMITS | 7pcs | 2011. 07 |
| 29 | SIN TECH | 4pcs | 2011. 08 |
| 30 | DAEWON | 2pcs | 2012. 03 |
| 31 | ICHI/SURE TECHNOLOGY GROUP LIMITS , CHINA | 15pcs | 2012. 04 |
| 32 | ICHI/SURE TECHNOLOGY GROUP LIMITS | 15pcs | 2012. 10 |
| 33 | GILWOO SYSTEM | 1pc | 2012. 08 |
| 34 | MYUNG SHIN | 4pcs | 2012. 11 |
| 35 | MYUNG SHIN | 4pcs | 2014.04 |
| 36 | ICHI/SURE TECHNOLOGY GROUP LIMITS | 7pcs | 2014.05 |
