02Change corporate name into Dong Hwa Metal Co., LTD
1991
08 Achieve KS certification
1992
12Registered as a partner company with Hyundai Heavy Industry
1993
11Established Welding business section
12Approved as military service person's workplace
1994
01Achieve additional KS certification
06Registered as a trading company
1997
11Registered as a partner company wih Daewoo Heavy Industries
12Appointed as a promising small&midium sized company by Kookmin Bank
1998
01Established a second factory
03Registered as a partner company by Hyundai Mipo Shipyard
04Registered as a partner company by Samsung Heavy Industries
11Approval for KS A 9001:2001 / ISO 9001:2000 QC system
1999
04Appointed as a promising small & midium sized company by Small Business Corporation
09Moved factory to Yangsan
HISTORY
2000 ~ 2013
2000
03Received a prize from Korea Internation Trade Association
05Approval from Lloyd's Register of Shipping
12Registered Utility Model Patent for gas torch welding nozzle
2001
11Received a prize for $1million export
11Received a prize from Minister of Commerce
2002
02Approval from BEREAU VERITAS INTERNATIONAL REGISTER
06Approval for copper pipe as self-inspection item by Hyundai Heavy Industries
06Appointed as a promising export company
07Enlarged factory capacity
11Approval from A.B.S
2003
06Approval from D.N.V
04Approval from K.R
04Equiped with 3 1/2" Twin Cold Pilger Mill
06Approval from B.V
08Equiped with additional consecutive furnace
2004
01 Changed company name into Dong Hwa TCA
02 Approval as a partner company from Dae Woo Shipyard
11 Received a prize for $3million export
11 Received prize from
2005
01 Approval as a clean workplace from Korea Occupational Safety and Health Agency
05 Appointed as a Inno-Biz from
06 Appointed as a Venture company from Small and Midium Business Administration
06 Approval from RINA
10 Utility Model Patent for welding tip press
2006
03 Received a prize from district tax office
03 Utility Model Patent for ring preventing tubes from bending
07 Appointed as a high-tech company from KIBO Technology Fund
08 Appointed as a leading company from Kook Min Bank
08 Signed contract for industry and academy cooperation with Bu Kyung University
09 Received a prize from Prime Minster
11 Aquired a license for welding torch tip and gas diffuser connection structure
11 Received a prize for $5million export
2007
01 Received a prize for 1st best enterpriser from yangsan city
02 Approval As Manufacturer of Copper Alloy Tube From GS Caltex
05 Aquired a license for a heat treatment formula of Precipitation
Hardening-Type Copper Alloy Tubes or Bars for mass production
11 Received a prize for $10million export
2008
02 Eatablished of The Metal Laboratory attached Dong Hwa T.C.A Co.,LTD
2009
03 Received a prize for Tax-Player's day(Busan Regional Tax Office)
2010
12 The Best small & medium company membership & select worldclass company(Small & Medium business corporation)
2011
11 Received a prize from the mayor of Yang San-City2011. 12. Received a prize from Gyeongsang Province Governor" Prize of Gyeongnam Trading“
2012
10 Approval for ISO 14001: 2004 from ABS
10 Aprroval for OHSAS 18001:2007 from ABS
11 Renewal ISO 9001:2008 from ABS
11 Received a prize for $30 million export
2013
04Merged with Dong Hwa S&S, Took over KOREA NIPPLE
06Approval for KS A 9001:2001 / ISO 9001:2000 QC system(FACTORY4)
08Registered as a partner company with Hyundai Mipo Shipyard(FACTORY4)
08Approval from Lloyd's (FACTORY4)
08Approval from KS(C8460, B1533, B1541, B1543)(FACTORY4)
09Registered as a partner company with Hyundai Heavy Industry(FACTORY4)
12Received a prize from Ministry of SMEs and Startups
HISTORY
2014 ~ 2020
2015
05 Receive a prize from Korea International Business Association “Global CEO”2016. 03. Receive a prize from Gyeongsang Province Governor “Prize of Gyeongnam Small and Medium Enterprise”
2016
04 Selection of a company specializing in root technology
2017
12 Selection of Small and Medium Enterprises for Human Resources Development
2019
11 Receive a prize from Minister of Education
2020
02 Receive a prize from the Minister of Trade and Industry4
2022
12 Receive a Prize from Uiryeong County Governor
12 Receive a Prize from the mayor of Yangsan City (Excellent Small and Medium Enterprises Businessman)