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Clean Steel • Organic Growth


Ocean engineering

Industry profile

Oceaneering, for the purpose of the development, utilization, protection and recovery of marine resources, includes the construction, reconstruction and expansion projects, with its main project body located along the coast to the sea side. It mainly includes the construction projects of offshore platforms, artificial islands, and oil and gas exploration and exploitation. Since the later part of the 20th century, the world population and the economy have both grown rapidly, which leads to a sharp demand for energy resources. With the exploitation of oil and gas in the continental shelf waters, and the development of marine resources and expansion of space utilization scales, the corresponding oceaneering has been one of the fastest growing projects for the last 30 years.

Products application

L-section is also called the unequal angle steel with different thickness. It is a kind of new material produced in accordance with the needs to build large ships. Except for large ships, L-section can also be used in ocean engineering structure and construction engineering structure of high demands.
Steel ingots are applied to climbing gear box, pin shaft, lifting rack and other kinds of forge pieces;


  • ● Multichannel abnormal high pressure water is adopted for descaling, and our products become the first in China which have reached PSPC technical specification of the international shipbuilding industry
  • ● As the first one in China to adopt TMCP rolling technology, we control the finishing temperature below austenitic recrystallization temperature to optimize the toughness of the finished product
  • ● We are the first to adopt double straightening + strengthened straightening to ensure that the straightness of each marine steel is less than 1‰, reaching the international advanced level
  • ● We are the first domestic enterprise to obtain approval of top ten global classification societies in terms of marine forging steel ingot, billet and hot rolled marine steel
  • ● NJB400 bulb flats developed fill the domestic blank and end the history of relying on imports only.
  • ● Marine steel intelligent detection system is developed independently to realize whole process monitoring management of steel quality and manufacturing technique


Our company's the shipbuilding steel has been rated as “High & New Tech Product in Jiangsu Province”, “Famous Brand Product of Jiangsu Province”,etc ,and certified by ten classification societies including: CCS, ABS、DNV、GL、LR、BV、RINA、NK、KR and.RS[View more certificates]


  • ● Cooperative project has been conducted with the Materials Science and Engineering College of Jiangsu University of Science and Technology and the East China Branch of the General Iron and Steel Research Institute to make technological breakthrough
  • ● We have been cooperating with Daewoo of South Korea, Sany Heavy Industry, and China Shipbuilding Industry Corporation to research on and develop steel for deep sea oil wells and platforms.
  • ● NJB400 bulb flats developed with Zhoushan COSCO fill the domestic blank and end the history of relying on imports only.

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