About Us

To create value for customers by innovative technologies.

Enterprise Profile


Nantong Rainbow Offshore & Engineering Equipments Co., Ltd. (ROC in short) is a wholly-owned subsidiary of Jiangsu Rainbow Heavy Industries Co., Ltd (listed in Shenzhen Stock Exchange with Stock Code 002483, RHI in short) located in Qidong Marine industry park.

The existing main facilities are 100000 ㎡- workshop, one indoor slipway, one outdoor slipway, 80000 ㎡- heavy equipment assembly area, and one 326 meters/ 50000 tons- heavy loading and unloading wharf (with one 250-tons gantry crane). The registered funds is CNY1 Billion.

ROC concentrates on design and construction of offshore wind power advanced equipment, offshore wind power supporting equipment, petrochemical equipment and heavy steel structure, and is dedicated to become a supplier of professional and international advanced equipment.
  • 2011Founded in

    A wholly-owned subsidiary of RHI
  • 1,200,000,000CNY

    Registered capital
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Company Culture

“Rainbow” is taken from “improve the development of the industry and prosper the Nation”. As an epitome of national industrial development, Rainbow always adheres to diligence, perseverance and innovation, performs and witnesses the change from “made in China" to "created in China", and writes its own gorgeous chapter in the historical development of Chinese national industry.

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Social Responsibility

To promote the development of the industry, and to prosper national prosperity

Having industrial patriotic dream, abiding by business ethics, adhering to the exquisite professional skills, and to promote the overall industry progress!

Honor and Qualification


Awards and certifications
Awarded by
Awarded in

  • • Win a Utility Model Patent Certificate for "A kind of New C Type Anti-skid Device"
    Awarded byState Intellectual Property Office of PRC
    2020
  • • Win a Utility Model Patent Certificate for "A kind of Saddle for MP Can"
    Awarded byState Intellectual Property Office of PRC
    2020
  • • Win a Utility Model Patent Certificate for "A kind of Detachable Welding Grounding Device"
    Awarded byState Intellectual Property Office of PRC
    2020
  • • Win a Utility Model Patent Certificate for "A Kind of Heating Device for Offshore Wind Power MP"
    Awarded byState Intellectual Property Office of PRC
    2020
  • • Win a Utility Model Patent Certificate for "A Kind of Wave Resistance for Offshore Installation Unit Jacking Up System"
    Awarded byState Intellectual Property Office of PRC
    2020
  • • Win a Utility Model Patent Certificate for "A Kind of New Weld Grinding Device"
    Awarded byState Intellectual Property Office of PRC
    2020
  • • Win a Utility Model Patent Certificate for "A Kind of Sea Water Lifting System"
    Awarded byState Intellectual Property Office of PRC
    2020
  • • Win a invention patent for "MP Sliding Device"
    Awarded byState Intellectual Property Office of PRC
    2020
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