Established Jae-Wang Steel Company
Switchover to Jae-Wang Steel Co,. Ltd.

Won an official commendation from the commissionor of Korean National
Tax Service
Established Yujin Steel Industry Company
Completed the construction of steel pipe factory and machinery facilities
Completed test working of tube mill line and started production
installed tube mill line #2 and expanded warehouse

Be sellected as a prominent small & medium size corporate (by the former Commercial Bank of Korea)
Expanded the factory and automated partial equipments of facilities
Switchover to Yujin Steel lndustry Co., Ltd.
Yuiin Steel lndustry Co., Ltd. Completed a course of prominent small & medium size corporate (The Present Woori Bank)
Yuiin Steel lndustry Co., Ltd. Won an official commendation from the commissonor of Korean National Tax Service

Obtained ISO 9001 Certificate
Obtained KS certificate of KS D 3566 carbon steel tubes for general structural purposes
- STK 290 (below outdiameter 48.6mm)
- SKT 400 (below oufdiameter 114.3mm) #02-2531
Obtained KS certificate of KS D 3568 carbon steel square pipes for general
structural purposes - SPSR 400 (square below 75×75, rectangle below 100×50) #02-2532
Completed the construction of the 2nd factory and machinery facilities
Completed test working of the 2nd factory and started production
Attained 6,500 tons of production per month
Yujin Steel Industry Co.,Ltd. Merged Jae-wang Steel Co.,Ltd.
Obtained KS certificate of KS D 3507 carbon steel pipes for ordinary piping (#05-0178)
- SPP black pipe (below 150A)
Obtained KS certificate of KS D 3517 carbon steel tube for machine structural purposes (#05-0179)
- STKM13B (below outdiameter 165.2mm)
Obtained KS certificate of KS D 3566 carbon steel tube for general structural purposes (#05-0181)
- STK400 (below outdiameter 165.2mm)
Obtained KS certificate of KS D 3568 carbon steel square pipes for general structural purposes
- SPSR400 (square below 125×125 rectangle below 150×100)
Replaced tube mill line #3
Replaced tube mill line #2
Completed the construction of the 2nd factory warehouse

KS Q ISO 9001:2009 / ISO 9001:2008 certificate converted
Obtained KS certificate of KS D 3760 coated steel pipes for plastic housing
- SPVHS: 25~31
Obtained JIS certificate of JIS G 3452 carbon steel pipes for ordinary piping
- SGP black pipes
Obtained JIS certificate of JIS G 3444 carbon steel pipes for general structural purposes - STK400, STK490
Obtained JIS certificate of JIS G 3466 carbon steel square pipes for general structural purposes - STKR400, STKR490
Attained 84 billion korean won of sales figure and 81,000 tons of production for 2011
Attained 105 billion korean won of sales figure for 2017