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"TIGER LONGKOU" is a liquefied natural gas (LNG) tank deck container dual fuel carrier (700 tank class, length 192.00 m, type width 37.60 m, type depth 13.50 m, design draft 8.2 m, deadweight 25,000 tons), currently the largest in the world. Jointly developed by Jiangsu Yangzijiang Shipbuilding Group And Tiger Gas and built by Jiangsu New Yangzi Shipbuilding Co., LTD., the new ship was officially delivered in early January this year. The ship can accommodate nearly 700 45-foot tank containers (about 15,000 tons of LNG), meeting the relevant requirements of at least 20 international organizations, countries or regions, realizing "one tank to the bottom" and "door to door" transportation, meeting the energy needs of various regions, in line with the distributed energy supply advocated by China. As an environmentally friendly, efficient and energy efficient vessel, the ship is equipped with Type C LNG fuel tanks and dual fuel engines. It has a design speed of 16 knots and a range of 5,000 nautical miles in LNG-powered mode, meeting IMO Tier III emissions standards. "Longkou Tiger" entered the factory for repair and transformation on January 9, 2022. The main transformation works are as follows: box Angle (dovetail groove) and D-ring (ground order) were added to the outer deck, and the reverse side was strengthened; MGO(empty status) fuel tank expansion, etc. From a long-term point of view of the market, dual fuel ship form will become the latest must-haves in the shipping market, ship repair with natural gas will also be normalized trend, for the ship during the repair of the special requirements of safety, our company and the ship set up project safety coordination committee (VSCC), strict organization planning, to discuss the best safety construction plan, And the daily safety production requirements throughout the whole process of construction. When the ship entered the factory, there was 300 cubic meters of natural gas main engine fuel left in the fuel tank. The company conducted inert sealing treatment for the connected pipeline system around the LNG tank in the cabin as required, and maintained round-the-clock continuous monitoring in the cabin to ensure that the oxygen test and explosion test were qualified. All construction personnel have undergone professional safety training before boarding, wear antistatic clothing as required, and follow strict construction procedures. In addition, the safety protection of the liquid cargo hold is strengthened. All the scaffolding in the hold is set up and inspected according to the standard of specially coated scaffolding. The ship has completed 900 dovetail grooves and more than 1,000 ground reloading in the plant. At the same time, the fuel tank was expanded by about 500 cubic meters. Dual fuel ship with gas repair, the ship enterprise team (especially safety) requirements are very high, currently there are few implementation cases in the world, this is our company's first attempt, has very important significance. Through the ship repair, the company has also accumulated rich experience, which has laid a solid foundation for the subsequent repair of this type of ship.

MSC "TIANPING", 334 meters long and 41 meters wide, is an 8,200 TEU container ship of MSC, the world's second largest container liner company. It was built in 2006. The wheel on November 12, alongside my chief priests coating base, the main project is hybrid desulfurizing modification projects, the original chimney exhaust system according to the latest environmental emissions standard new flue gas washing desulfurization tower and tower room structure, the hybrid desulphurization pump and pipeline system, magnesium hydroxide alkaline storage and charging system, and the desulfurization wastewater treatment system monitoring, testing equipment and system and electrical system, Other special inspection projects include modification of Avalava ballast water system, modification of shore power system, upgrade of bridge equipment, repair of hatch cover, etc. Given good container market situation, in order to guarantee the economic interests of the owners, our company attaches great importance to, concentrated technology backbone, meticulously, clear division of labor, to carry out the responsibility, finally the ship on December 16 sea trials, one-time success, with 33 days alone efficient high-quality completed the projects of the ship, the height of the owner's approval, It is also the ship with the shortest time of hybrid modification since the desulfurization tower modification project in the world. The hybrid ship desulphurization reconstruction system is complex, and there are many types of work, and the total amount of desulphurization is larger than that of the open ship. In the case of the same ship type, the renovation cycle generally exceeds 50 days in China at present. After obtaining the original design drawings, the company's repair team repeatedly demonstrated and improved, and finally finalized the overall lifting scheme of the tower body. In view of the unbalanced state of the tower block, the center point of the combined tower block is found accurately through temporary strengthening and simulation, and the tower block is lifted onto the ship at one time with the advantage of long coating base lifting, and the hook is unhooked within 18 hours. In the refit construction process, the total amount of prefabricated, cut and installed steel plate reached 323 tons. Through reasonable optimization and adjustment of pipe direction, the design optimization amount of hybrid desulfurization tower reached 20%, and a total of more than 700 pipes were installed. Part of the old chimney will be cut out within 7 days, install new chimney; In addition, it only took 14 days to complete the transformation of five compartments, including pipes and special coating, in 30 days. In the routine repair project, the main route optimization of the Avalava ballast water system purchased by the ship owner reached 50%, and the installation of more than 120 pipes was completed. More than 1,300 pieces of hatch cover feet were replaced, of 23 types; 2250 new pad blocks; Sand and spray the ground under all hatches, bind the bridge waterknife paint; The ship's 18300 square square outer plate straight flat bottom 100% secondary white, and silicone special coating processing; In addition the propeller and rudder blade also made silicone special coating. To this end, the company invested a large number of elite personnel and worked overtime. During the peak period, nearly 220 people went all out in the modification and repair of the ship. The ship berthed on November 12, entered the dock tower on the evening of November 18 and left the dock in the afternoon of November 19. On November 30, relevant projects were completed and docked on December 8. On December 16, trial voyage data collection was completed and signed by representatives of all parties. The trial voyage was a complete success and launched online the next day. It has perfectly realized the almost impossible task, broken the difficulty that the hybrid desulfurization tower could not be completed in two months, and saved a lot of time for the ship owner. It fully reflects that huafeng team is skilled in organization, dares to challenge, and is a professional team that can be achieved and make great achievements. At the same time, it also accumulated rich experience in the subsequent ship modification and repair, and provided more excellent service for ship owners.

In the afternoon of April 19th, the ro-ro shipment "Changxinglong" was finished in Huafeng company and left the factory. The hull is 140M long, 24M wide, 19,370 gross tons, with 9 loading decks and a maximum height of 35M. It is a 1600PCTC roll-on/roll-off ship. The ship arrived at the factory on April 3 and docked on April 9. In the repair of the stern jump (stern bridge), the company and the ship did a good job in the preliminary planning, and the ship hull and mechanical and electrical departments closely cooperated in the later stage to ensure that the whole stern jump system was installed and debuted in place once, and docked on schedule, which was recognized by the ship. Previously, the company has completed the repair of the same type of ship "long hair long". Later will also have a larger ship type of roll-on/roll-off into the repair plan. Up to now, the company has completed the repair of more than 90 ships of various types and received orders for more than 170 ships, including more than 10 desulfurization tower modification projects.

A shipyard (also called a dockyard) is a place where ships are built and repaired. These can be yachts, military vessels, cruise liners or other cargo or passenger ships. Dockyards are sometimes more associated with maintenance and basing activities than shipyards, which are sometimes associated more with initial construction. The terms are routinely used interchangeably, in part because the evolution of dockyards and shipyards has often caused them to change or merge roles. Countries with large shipbuilding industries include Australia, Brazil, China, Croatia, Denmark, Finland, France, Germany, India, Ireland, Italy, Japan, the Netherlands, Norway, the Philippines, Poland, Romania, Russia, Singapore, South Korea, Sweden, Taiwan, Ukraine, the United Kingdom, the USA and Vietnam. The shipbuilding industry is more fragmented in Europe than in Asia where countries tend to have fewer, larger companies. Many naval vessels are built or maintained in shipyards owned or operated by the national government or navy. Shipyards are constructed near the sea or tidal rivers to allow easy access for their ships. The United Kingdom, for example, has shipyards on many of its rivers. The site of a large shipyard will contain many specialised cranes, dry docks, slipways, dust-free warehouses, painting facilities and extremely large areas for fabrication of the ships. After a ship's useful life is over, it makes its final voyage to a shipbreaking yard, often on a beach in South Asia. Historically shipbreaking was carried on in drydock in developed countries, but high wages and environmental regulations have resulted in movement of the industry to developing regions.