The world's largest ethylene liquefied gas carrier launches in Shanghai

China's first 22,000 cubic meters of semi-cold semi-pressured ethylene liquefied gas carrier was launched in Shanghai recently. The ship was built by Jiangnan Shipbuilding Co., Ltd. for the United States Navigation Corporation. It is currently the largest ethylene liquefied gas carrier in the world.
The ethylene gas ship named “Marshal Mars” has a total length of 170 meters, a length of 160 meters between the two columns, a width of 24.20 meters, a depth of 16.70 meters, a draught of 10.97 meters, and a load of 22,800 tons. The vessel is equipped with 4 independent double-ring liquid tanks. Each liquid tank is suitable for carrying ethylene, industrial propane, anhydrous ammonia, propylene, butadiene, butylene and vinyl chloride monomer, and is divided into three different liquid tanks. The goods can be loaded and unloaded at the same time. A complete liquefied gas monitoring system has been installed on board and equipped with a diesel engine and a wing-type steering gear. With the specially developed hull line type, it has efficient propulsion performance.

Liquefied gas carriers are the main tools for storing and transporting liquefied gas. Because of their characteristics of low temperature, high pressure, flammability, explosion, corrosion, and chemical reactions, the construction of liquefied gas carriers is based on materials, equipment, and technology. Higher requirements than conventional cargo ships, in addition to meeting general international regulations, also meet international special requirements for the shipment of liquefied gas and chemicals. Therefore, liquefied gas carriers not only have high technical content but also have high added value.

The United States Mariners Holding Company has ordered 5 22,000 cubic meters of liquefied gas vessels to Jiangnan Shipbuilding (Group) Co., Ltd. The "Sailing Mars" is the first one, and the remaining four ships will also be delivered within the year.

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Jilin Zexin Industrial Development Co., Ltd. was founded in 2001 with a registered capital of 5 million RMB and is a high-tech enterprise in Jilin Province. There are about 100 employees, and the company's sales volume reached 20 million RMB in 2022. The company has more than 30 sets of various equipment including 2 NC laser cutting machines, 6 NC machining centers, 8 welding machines for different purposes, NC cutting machines, NC bending machines and others. After more than 20 years of construction and development, it has formed a comprehensive enterprise of electrical system, carbon steel, stainless steel and aluminum alloy stamping, welding, machining and surface coating. The company has passed the ISO9001:2015 quality management system certification, EN15085 CL1 welding system certification, American standard AWS welding certification, and ISO/TS22163:2017 quality management system certification. It is a high-quality supplier cooperated by CRRC Changchun Railway Vehicles Co., Ltd., the core manufacturer of China's urban rail transit equipment and high-speed train.

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Jilin Zexin Industry Development CO., LTD. , https://www.jilinzexin.com