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Gate Valves

The global excellence in quality was verified by acquiring the international quality certification and the overseas major ship
classification certification. A foothold is being established as the global valve maker satisfying the customers with the
best quality through the steady R&D investment.

  1. 2023
    Supplied Cryogenic Valves for DongHwa Entec EPS 7000 PCTC FGSS project
  2. 2022
    Supplied Cryogenic Valves for Wartsila Gas Solutions's Jiangnan CMA CGM Container FGSS & Hudong CMA CGM Container FGSS projects
  3. 2021
    Supplied Cryogenic Valves for Airfirst ALPS project
  4. 2020
    Acquired a Patent for Cryogenic Butterfly Valve
    Acquired SIL-2&3 Certificates for Ball Valve & Butterfly Valve
  5. 2019
    Granted an award for Hai Linh Vung Tau LNG terminal, the first LNG receiving terminal project in Vietnam
    Development of Cryogenic Butterfly Valve
    Cryogenic Butterfly Valve Demonstration Test (SHI, HHI, DSME, MOL)
  6. 2018
    Acquired the cryogenic valve type approval from the China government
    Qualified supplier of KOSPO, KOWEPO, KOMIPO, EWP, KOSEP for integrated management of High Pr, High Temp Forged Valve and Control Valve
    Became a Ham-let Group Company (Ham-Let (Israel-Canada) Ltd.)
  7. 2017
    Granted an award for Panama LNG terminal thru Posco E&C
    Granted an award Swan FSRU H.2993 thru HHI.
    Qualified supplier of KEPCO E&C for Control Valve, Forged Valve and Cast Valve

  1. 2016
    Granted an award for LNG FSRU of Hudong Zhonghua
    Korea Industrial Complex Corporation R&BD for maverick type business development
    Development of Cryogenic & High Pressure Joule-Thomson Globe Valve
  2. 2015
    Moved to new factory in Jinju city
    Granted an Award for TGF Project through MHI
  3. 2014
    Granted an award to manufacture and supply Valves for SEC Jedda South Power Plant PJT & Shuqaiq Steam Power Plant PJT through HHI
    Granted an award to manufacture and supply Cryogenic Ball valves for Chinese Hudong-Zhonghua Shipbuilding
  4. 2013
    Granted an award by CNOOC to manufacture and supply Cryogenic Globe & Check Valves for Hainan LNG terminal
    Granted an award to manufacture and supply Cryogenic Globe, Check, Ball, Gate,Control Valves for Petronas FLNG
    Cryogenic Axial Check Valve 개발
  5. 2012
    Granted an award to manufacture and supply Cryogenic Ball Valves for Shell Prelude FPSO
    Granted an award to manufacture and supply casting ball valves for TAKREER Ruwais Refinery Expansion (#2 & #7) through GS E&C
  6. 2011
    Granted an award by Chinese National Ocean Oil Cooperation (CNOOC) to manufacture and supply Cryogenic Globe & Check Valves for Zhejiang Ningbo LNG terminal
  7. 2010
    Additional 2 valve package registered to KHNP (totally 10 packages registered) Registered SEC, ADGAS AND TAKREER

  1. 2008
    Obtained ASME “N & NPT” certificate.
    CI renewal and change of company name to S&S Valve Co., Ltd.
  2. 2003
    Obtained CE certificate from TÜV-Rheinland for Industrial Control & Safety Valves.
    Registered with Korea Gas Corporation (KOGAS) for Control & Safety Valves for cryogenic service
  3. 2001
    Approved by class LLOYD register to manufacture various raw materials. Approved by class
    BV register as the provisions of rule note CNR320 to manufacture Forged, Casting and Cryogenic Valves
  4. 1999
    Granted the license of API 6D certificate (License No. 6D-0304).
    Granted the license of KEPIC-MN (Nuclear Quality Assurance System) from Korea Electric Association (KEA)
  5. 1997
    Granted a license to manufacture Control Valves for Power Plant Equipment by Korea Electric Power Corporation (KEPCO)
  6. 1996
    Entered into a technical license agreement and co-manufacturing agreement with COPES VULCAN INC. (USA) to produce Pneumatic Control Valves

  1. 1995
    Registered own trade mark “SAVE” brand
  2. 1994
    Granted ISO 9001 certificate by TÜV-Rheinland
  3. 1989
    Entered into a technical license agreement and co-manufacturing agreement with KEROTEST GLOBAL COMPANY (U.S.A) to produce nuclear valves.
    Granted a license to manufacture valves for Nuclear Power Plant Equipment by the Minister of Science and Technology (Korea)
  4. 1986
    Entered into a technical license agreement with KENSEI Valve Co., Ltd.(Japan) for High Pressure Forged Valves
  5. 1984
    Changed company name to “Seo Heung Metal Co., Ltd."
  6. 1983
    Granted a manufacturing license by Korea Electric Power
    Corporation(KEPCO) for High Pressure Valves for Power Plant Equipment Granted a manufacturing license by Korea Gas Safety Corporation (KGS) for High Pressure Equipment.
    Registered & Supplied to Korea Gas Safety Corporation for Manual Cryogenic Valves
  7. 1979
    Acquisition of Korea Special Valve Industry Company