Company Information


  • 1902
    Panama hats had become very popular in Taiwan (Taichung). Marketing the fact that these handcrafted items could not be mass-produced, the Sai brothers created a Limited Partnership Company and had started their business on Qingshui Street.
  • 1915
    Boho Sai (the founder) established Senkouri Shoko Co., Ltd. at the current headquarters in Chuo-ku, Kobe, as a sales base for Panama hats in Japan.
    After that, the quality of Taiwanese Panama hats improved due to strict quality control in accordance with the policy of the Governor-General of Taiwan. As a result, sales in Japan increased significantly.
  • 1945
    Operations temporarily suspended due to the War.
  • 1947
    The friendship between the last President of Kawasaki Heavy Industries before the war, Shouske Tsutaya and Shigekazu Sai (father of the current President Hiromasa Sai) was the start of the relationship between both companies.
  • 1949
    The company resumed operations under the name of The China & Japan Marine Industries Co., Ltd.
    Shigekazu Sai became President and simultaneosly commenced the sale of marine paints manufactured by China Paint Co., Ltd. and Kansai Paint Co., Ltd.
  • 1954
    After the war, Kawasaki Heavy Industries became the first foreign shipowner in Hong Kong. John Manners & Co., Ltd. commissioned three new ships.
  • 1959
    Expansion of sales of engines manufactured by Yanmar Diesel Co., Ltd. (now Yanmar Co., Ltd.) and propellers manufactured by Nakashima Propeller Co., Ltd. to Southeast Asia (Hong Kong, Singapore, Macau, etc.) through the trading division of John Manners & Co., Ltd.
  • 1967
    The company was divided into two companies, The China & Japan Marine Industries Co., Ltd. and The Chunichi Kosan Co., Ltd.
    Opened Sakaide Sales Office in Kagawa Prefecture. (Currently the Shikoku Branch)
  • 1973
    The Chuko building was built at the current head office location of The China & Japan Industries Building.
  • 1985
    Hiromasa Sai becomes President.
  • 1997
    Commenced exporting marine equipment and other related products to Chinese shipyards.
  • 2004
    In order to increase the operational efficiency of the Sakaide branch (currently known as the Shikoku branch), the office was moved from Sakaide city to Utazu-cho (Utazu station square).
  • 2006
    The overseas subsidiary Senkori Co., Ltd. (Dalian, China) is established.
  • 2010
    A new company building was completed through a joint venture with Yasuda Real Estate Co., Ltd.
  • 2015
    Company's 100 year anniversary.
  • 2016
    The subsidiary Wazaari Consulting Co., Ltd. is established.