On June 5, major Chinese steelmaker Hebei Steel Group stated that the Liwan 3-1 oil and gas production platform, the largest deepwater oil and gas platform in Asia, has been successfully installed in the South China Sea. It added that the steel jackets used in the platform are made of D36-Z35 steel plates with 100 mm thickness and weighing over 20 mt each which were produced by Hebei Steel Group, indicating the ability of the company to develop steel products for application in major projects. 
The steel plates in question are resistant to stormy weather, while they have a 30-year service life even in severe sea conditions.