• Waigaoqiao Shipbuilding commences the construction of the second 114,000-ton Aframax tanker customized for Turkey's YASA.
• Milestone! The first ship at Wuhu Shipyard's Weihai base is launched.
• Efficiency surges! Chinese shipbuilding enterprises keep promoting the improvement of construction techniques.
• The thin-plate production line of Gaogiao Offshore Engineering goes into operation, and laser welding boosts the transformation of modern shipbuilding.

News 1: Waigaoqiao Shipbuilding Commences Construction of the Second 114,000 - Ton Aframax Tanker Custom - built for Turkey's YASA

【Project Advancement: Another Addition to the Aframax Series】

This is the second tanker of the same type that Waigaoqiao Shipbuilding has built for YASA company. At the groundbreaking ceremony on that day, Zhang Baoqun, the on-site manager of YASA's shipowner, Liu Shecai, the on-site manager of Lloyd's Register, and representatives from relevant departments of the company attended together and witnessed this crucial milestone.

【Commentary by Ship Affairs Exploration】

With the rebound of the global oil transportation market's demand for high-efficiency and environmentally-friendly ships, the Aframax tankers have once again become a mainstream construction hotspot. Relying on its profound technical accumulation in the field of large tankers, Waigaoqiao Shipbuilding continues to expand its overseas orders. In particular, the cooperation in niche markets such as Central and Eastern Europe is constantly deepening.

The smooth commencement of the construction of Ship H1457 not only continues the excellent cooperation with YASA, but also demonstrates Waigaoqiao Shipbuilding's execution ability and international reputation in the mid-to-high-end tanker construction market. (Source: "Ship Affairs Exploration" WeChat official account)

News 2: Milestone! The First Ship Launched at Wuhu Shipyard's Weihai Base

On May 15th, the 14,600-ton multi-purpose heavy-lift ship (W2234) constructed by Wuhu Shipyard at its Weihai base was successfully launched. Representatives of the shipowner and DNV (Det Norske Veritas) classification society attended the ceremony. By leveraging intelligent equipment, the construction progress of this ship was expedited, completing the key milestone 45 days ahead of Ship No. 3. The project team optimized the slipway resources, surmounted the challenge of welding extra-thick steel plates, and shortened the slipway cycle

This launching marks the maturity of Wuhu Shipyard's intelligent shipbuilding system. The Weihai base was signed and established in August 2023, with a total investment of 2 billion yuan and covering an area of 680 mu. By utilizing the resources of the former Sanjin Shipbuilding Industry, it went into production on May 30th last year. The base is mainly engaged in ship construction, design, repair, and the development of marine engineering equipment. It has a 100,000-ton dry dock and two 50,000-ton slipways, and mainly constructs high-value-added ship types, with a planned production capacity of 800,000 deadweight tons and an annual output value of 5 billion yuan.

The base is equipped with 8 fully automated production lines, intelligent workshops, and five technologies applied for the first time in China. Combined with advanced vision technology and laser welding technology, it realizes human-machine collaboration, with an automation rate of 80% and a 40% reduction in labor. With its high-efficiency intelligent management and safety protection, it is a "super factory" in the shipbuilding industry. (Source: "International Shipping Network" WeChat official account)

News 3: Efficiency Surges! Chinese Shipbuilding Enterprises Continuously Push Forward the Improvement of Construction Techniques

Currently, Chinese shipbuilding enterprises are constantly improving their construction techniques, which empowers the leap in production efficiency.

Recently, the 3rd 7,000-car LNG dual-fuel Pure Car and Truck Carrier (PCTC) built by Guangzhou Shipyard International for CITIC Financial Leasing completed the sea trials in the "two-in-one" mode of fuel oil and LNG, setting a new record for the sea trial cycle of the company's similar-type ships.

During the dock stage, the ship completed the tightness inspection of the LNG inner-wall pipes and the debugging of the movable deck in advance. In the wharf stage, some sea trial items were moved forward, greatly shortening the debugging cycle. The team also innovatively applied the "One-Time Installation in Place" (OTS) process to achieve the precise installation of the side doors of the roll-on/roll-off system, winning valuable time for the sea trials. Before the sea trials, the project team organized all participating departments to complete the debugging of the LNG fuel system during the wharf stage through digital simulation debugging technology, which also bought precious time for the sea trials.

Recently, the No. 2 85,000-ton new-type multi-purpose ship undertaken by CSSC Chengxi Yangzhou Shipbuilding Co., Ltd. for CITIC Financial Leasing was successfully launched.

Through the "assembly first, painting later" process and process optimization, this ship achieved a breakthrough in the integrity of overall assembly: the painting of Cargo Hold No. 6 was completed, 90% of the container feet were completed, the rock wool boards in the central control room were installed, and 6 kilometers of cables were laid in the four sections of the engine room. In the slipway launching process, adhering to the goal-oriented approach to promote improvement, the engine room stern section was connected through in 20 days, the "one-stop" construction cycle of the main hull was 24 days, and the sub-node of aligning wires and checking the light was achieved in 29 days, which were respectively 3 to 7 days shorter than those of the first-built ship. Finally, it was successfully launched one day ahead of the planned cycle, effectively promoting the efficiency of the construction process and the optimization of the working procedures.

CSSC Guangxi Company Completes the Transfer and Assembly of Large Ring-shaped Sections in Shipbuilding for the First Time

Recently, CSSC Guangxi Company has completed the transfer and assembly of two large ring - shaped sections. This is a technological innovation practice of the company using modular vehicles to transfer and assemble large ring - shaped sections for the first time, marking a breakthrough in the process improvement in the field of large - scale ship section assembly construction in Guangxi.

Next, based on this case, the company will solidify the standard production process for subsequent ships, improve and optimize the production organization, command, and coordination functions in the construction process, promote the standardized and mass production of subsequent ships, and gradually achieve the goal of enhancing efficiency by shortening the slipway construction cycle.

Recently, the 18,500-ton oil-chemical ship built by Southeast Shipbuilding was delivered, 167 days ahead of the contract period.

During the construction of this ship, through overall resource planning and lean management, the forward movement of processes was implemented to compress the processing cycle of section structures. Meanwhile, the special coating process and the control measures for coating quality improvement were optimized in a targeted manner. As a result, the special coating cycle of the cargo oil tanks was significantly shortened, achieving a double improvement in the standardization of batch construction and quality stability, and obtaining the excellent achievement of delivering the ship 167 days ahead of the contract period. (Source: WeChat official account of China Association of the National Shipbuilding Industry)

News 4: The Thin Plate Production Line of Gaoqiao Offshore Engineering Put into Operation, Laser Welding Boosts the Transformation of Modern Shipbuilding

        On May 19th, the thin plate production line of Waigaoqiao Offshore Engineering Co., Ltd., which is under China State Shipbuilding Corporation, was successfully completed and started trial production. This marks a key breakthrough for the company in promoting the commercialization and process-oriented manufacturing of intermediate products for ship superstructures. The production line uses entirely domestically-produced equipment and incorporates advanced processes such as laser hybrid welding. The overall production efficiency is expected to increase by 30%, providing strong support for the advancement of a high-quality and modern ship building system.

[The assembly line is officially put into production, and the laser welding is ignited and launched.]

At the unveiling ceremony held on that day, Zhang Wei and Xu Sha, deputy general managers of Waigaoqiao Shipbuilding, Wu Yongjun, Secretary of the Party Committee of Waigaoqiao Offshore Engineering, Wang Jincheng, General Manager of Waigaoqiao Offshore Engineering, and other attendees were present. Zhang Wei and Xu Sha jointly unveiled the assembly line and witnessed the ignition and startup of the laser hybrid welding equipment. This marks that this high-efficiency assembly line dedicated to the processing of 8-10mm thin plates has entered the trial production stage.

【Technical Highlights: Completely Made in China + Laser Welding】

Layout Method: Straight-line unitized structure with a compact equipment layout.

Technological Characteristics: Integrate key processes such as laser hybrid welding, longitudinal bone assembly, and synchronous welding.

Automation Functions: Have functions including precise calibration, synchronous welding, and abnormal detection.

Quality Improvement: Significantly reduce thermal stress deformation and remarkably improve the flatness of the outer plate.

High Rate of Localization: All equipment is domestically produced, which can effectively control costs and is convenient for maintenance and support.

This assembly line will mainly serve the construction of intermediate products of the company's superstructure, providing support for the realization of mass production, commercialization, and standardized production of the superstructure. At the same time, it enhances the influence of the Waigaoqiao brand in the superstructure market. (From the WeChat official account "Ship Matters Exploration")

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