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DOMESTIC

 

KOREA

  ACE VALVE COMPANY LIMITED,  PK VALVE,  TY VALVE,  NSV CORPORATION
  UNICOM VALVE,  DK CONTROL VALVE,  DHC BUTTERFLY,  PEACH VALVE
  S & W,  SUNG IL HI-TECH,  SE CHANG IND,  HANYANG VALVE,  HLC,  SRV
  KVT,  THT,  ICL,  CEPHAS PIPELINES CORP,  KB VALVE,  SUNG IL VALVE
  WOOSUNG FLOWTEC,  HAN SUNG,  LeBe INDUSTY

 

INTERNATIONAL

 

JAPAN

  KOBE STEEL (KAKOGAWA),  JP STEEL (YOKOHAMA)
  SHIN NIPPON MACHINERY (KURE),  MOTOYAMA  ENG. WORKS, LTD
  KIYOMOTO (KISIMA-GUN),  Shinko EN&M (KAKOGAWA),
  SUMITOMO HEAVY INDUSTRIAL (NIIHAMA),  KITZ CORPORATION