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
  • 1,000,000,000CNY

    Registered capital
产业规模Click on the picture to see the big picture

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.


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

  • • Third prize of Jiangsu Mechanical Design and Product Innovation Award
    Awarded by Jiangsu mechanical engineering association
  • • Second prize of Jiangsu Green Manufacturing Technology Progress Award
    Awarded by Jiangsu mechanical engineering association
  • • Advanced Group on Safe Production in 2018
    Awarded by Qidong Government
  • • Qidong Pioneer Worker
    Awarded by Qidong General Union
  • • Certificate of Work Safety Standardization(Level 2) in Ship Building and Repair Industry
    Awarded by Science and Technology Office of Jiangsu National Defense
  • • EN 1090-EXC4,ISO3834-2
    Awarded by LL-C (Certification) Czech Republic a.s.
  • • Invention Patent of “ A Kind of Stern Roller Design Method of Procedure of Supply Vessel”
    Awarded by State Intellectual Property Office of PRC
  • • Work Safety License in Architectural Industry
    Awarded by Jiangsu Department of Housing and Urban-Rural