Corporate Profile History

2000- present

Longest & highest water slider in the world (recognized by Guinness World Records 2005)

(11)Longest & tallest water slider in the world (recognized by Guinness World Records 2005)

LNG cryogenic tanks

(12)LNG cryogenic tanks

Suncity Ginza EAST

(13)Suncity Ginza EAST

Solar power generation facility

(14)Solar power generation facility

  • 2003 Constructed a LNG vertical cylindrical storage tank (2,200 kL), which is one of the largest in Japan.
  • 2003 Constructed a DME vertical cylindrical storage tank (800 kL), which is one of the largest in Japan.
  • 2004 The headquarters relocated to Tsukishima, Chuo-ku, Tokyo.
  • 2004 Constructed a rental apartment "Residence Charmante Tsukishima" at Tsukishima, Chuo-ku, Tokyo.
  • 2005 The longest and tallest water slide we built was recognized by the Guinness World Records 2005. ※Photo(11)
  • 2005 Constructed LNG cryogenic tanks (3,000 kL) in Japan. ※Photo(12)
  • 2005 Constructed four units of LNG cryogenic tanks (87,000 kL) in Japan.
  • 2006 IIW SINGAPORE PTE.LTD. was established in Singapore.
  • 2006年 Started real estate leasing at Suncity Ginza EAST Tsukishima, Chuo-ku, Tokyo. ※Photo(13)
  • 2008 A Taiwan branch was established in Taiwan.
  • 2008 Constructed low-temperature and high-pressure facilities in Malaysia. (Ethylene, propylene, and butadiene).
  • 2009 Constructed oil tanks including a floating roof tank in Brunei. (71,000 kL)
  • 2009 Constructed low-temperature and high pressure facilities in Thailand.(Ethylene, ethane, and propylene.)
  • 2013 Started the solar power generation business in JAPAN. ※Photo(14)
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