Article**: Frontiers of Energy Storage***
Recently, six major energy storage cooperation contracts were signed, and Dalian Rongke signed a contract with Xinzhu Co., Ltd., Neijiang Investment, and Xingxin Vanadium to increase flow battery energy storageTrina Solar signed a contract with Nara Forest in Japan to increase its stake in Japan's energy storage marketSunwoda and China Energy Construction signed contracts with the people of Bao'an District and Fujian Province respectively to increase the domestic energy storage marketYuneng Technology signed a contract with the people of the district to increase the energy storage intelligent manufacturingHubei EVE Power signed a contract with Jingmen High-tech Industrial Development Zone to increase the power energy storage battery production line.
Dalian Rongke signed three major enterprises
December 7thXinzhu Co., Ltd. (002480) announced that the company signed a five-year "Strategic Cooperation Framework Agreement" with Dalian Rongke and Neijiang Investment Holding Group and Sichuan Xingxin Vanadium Technology. 
According to the agreement, the four parties will establish a close cooperative relationship in accordance with the principle of "equality and mutual benefit, compliance with laws and regulations, and common development", give full play to their respective advantages in resources, capital, talents, technology, platforms, etc., take marketization as the guide and project as the basis, jointly establish an all-round and diversified strategic cooperative relationship, continuously innovate cooperation models, broaden cooperation channels, expand cooperation areas, and pragmatic cooperation, mutual benefit and win-win results in a combination of promotion and market-oriented operation, so as to help Neijiang develop with high quality. According to the data, Dalian Rongke was established in 2008 and is one of the world's leading companies in flow battery technology, which has attracted wide attention in recent years. In October last year, the power station capacity and power are the world's largest large-scale flow battery energy storage power station officially connected to the grid for power generation, marking that China's all-vanadium flow battery energy storage technology has the ability to industrialize. The design and manufacture of the flow battery system for the power station was provided by Dalian Rongke. In addition, on April 17, Dalian Rongke also completed a Series B financing of more than 1 billion yuan for the company's capacity expansion and R&D investment. China Energy Construction Co., Ltd. signed a contract with Fujian Province**
According to the official WeChat news of China Energy Construction,On December 6, the company signed a strategic cooperation framework agreement with Fujian Province. 
According to the agreement, the two sides will carry out all-round, wide-ranging, in-depth and multi-form strategic cooperation in six areas, including comprehensively strengthening energy infrastructure, new urbanization, comprehensive transportation, modern water conservancy, ecological environment improvement, and digital Fujian, as well as industrial development, "energy +" integrated development, and deepening the reform of state-owned assets and state-owned enterprises. According to the data, China Energy Construction was established in December 2014, is the first enterprise supervised by the State-owned Assets Supervision and Administration Commission of China Energy Construction Group) and its wholly-owned subsidiary Electric Power Planning Institute, the company on December 10, 2015 initial public offering of H shares and listed on the main board of the Hong Kong Stock Exchange (stock code: 3996).hk）；On September 28, 2021, it was listed on the main board of the Shanghai ** Stock Exchange (**601868sh）。In the first half of 2023, the company's new energy storage business is progressing smoothly and is accelerating its foothold in the first echelon of the new energy storage industry. The company signed 13 new energy storage projects such as compressed air, electrochemistry and pumped storage, and obtained a development target of 4.4 million kilowatts. At the same time, the underground salt cavern project of the company's Hubei Yingcheng 300MW compressed air energy storage power station demonstration project has started construction, and the first batch of electrochemical energy storage cells has been developed. Sunwoda signed a contract with the people of Bao'an District
According to Sunwoda's official WeChat news,On December 5, the company signed a new energy storage industry cooperation framework agreement with the people of Bao'an District to establish a long-term and comprehensive strategic cooperative relationship in the field of new energy storage. 
According to the agreement, the two sides will deepen cooperation in the construction of new energy storage projects, scenario expansion, and technology improvement, cultivate and expand the new energy storage industry led by Sunwoda, help the sustainable development of Bao'an's real economy, and accelerate the realization of the "double carbon" goal. Bao'an will support Sunwoda's new energy storage and "dual carbon" business in Bao'an, and jointly expand the "zero-carbon park", "zero-carbon factory", "zero-carbon building", "zero-carbon travel" and other businesses and the application scenario projects such as distributed photovoltaic, distributed energy storage, independent energy storage power station, and optical storage and charging integration, so as to further promote the gathering of new energy storage business in Bao'an and promote the sustainable development of Bao'an's real economy. According to public information, Sunwoda was established in December 1997 and is a high-tech enterprise with R&D, design, production and sales of lithium battery cells and modules as its main business. Focusing on energy storage, the company has a layout in the fields of grid energy storage, industrial and commercial energy storage, network energy, household and portable energy storage, and smart energy, and has independent R&D and production capacity for the whole chain from battery cells, BMS, PACK to EMS systems. In the field of home energy storage, Sunwoda's representative product is the Neo Pro series energy storage battery moduleIn the field of portable energy storage, the representative product is Sunwoda Echo 03;In the field of power energy storage, the representative product is the NOAHX series energy storage battery system. Trina Solar signed a contract with Nara Forest in Japan
According to Trina Solar's official WeChat message,On November 23, the company signed a long-term cooperation agreement with Japan's Nara Forest Resources Conservation Company (hereinafter referred to as "Japan's Nara Forest Company") on energy storage products. 
According to the agreement, starting in 2024, Trina Solar will supply more than 30MWh of Elementa series energy storage products and solutions to Nara Forest Company of Japan, which will be Trina Solar's first industrial energy storage project in Japan. Trina Energy Storage recently released a new generation of flexible liquid-cooled battery compartment elementa 2, which can have a cell cycle life of more than 12,000 times, an energy efficiency of up to 95%, and a significant cost reduction and efficiency increaseAt the same time, the product is equipped with innovative Pack Plus technology, which increases the bulk density by 20% and greatly improves the efficiency of space utilizationThe pack adopts standard IP67 protection level and lightweight and high-strength shell, which greatly improves the safety of the product. According to public information, Trina Solar was established in December 1997 and is the only company in the industry that provides integrated solutions of module + bracket + energy storage. Over the years, Trina Solar has built full-stack capabilities, including energy storage cells, energy storage battery compartments, energy storage converters, household energy storage, and integrated smart energy management systems. At present, Trina's energy storage business covers many countries and regions in Asia, the United States and Europe, with more than 100 global customers, with a cumulative delivery of more than 4GWh and a pipeline of more than 10GWh. Yuneng Technology signed a contract with the people of the district
December 7thYuneng Technology (688348) announced that the company intends to sign an "investment cooperation agreement" with the people of **city**district ** to invest in the construction of an intelligent manufacturing base project in the northwest region of energy storage. 
It is reported thatThe total planned investment of the project is 1.5 billion yuan, of which the first phase has a construction period of 1 year with an investment of about 300 million yuan, and the second phase has a construction period of 2 years with an investment of about 1.2 billion. The project has a scale of 8MW 172MWh, involving 80 sets of energy storage cabinet equipment, with a total value of more than 20 million yuan. After the completion of the project, it will play an important role in improving the utilization efficiency of power system equipment, optimizing the energy consumption structure, and reducing energy expenditure, and will become a typical application of local energy storage system on the user side. The main body of the project is a wholly-owned subsidiary invested and established by Jiangsu Lingchu Yuneng Technology Co., Ltd. (hereinafter referred to as "Lingchu Yuneng"). The construction content of the project includes plant construction, installation and commissioning of production lines and production equipment, ancillary facilities, energy storage demonstration projects and scientific research demonstration projects, etc., which are intended to be used for the production of industrial and commercial energy storage products such as energy storage integrated cabinets, energy storage converter PCS, battery management system BMS, and PACK. According to the data, Lingchu Yuneng was established in October 2022 with a registered capital of 100 million yuan and a paid-in capital of 18.28 million yuan, and Yuneng Technology holds 55% of its shares. In November, Lingchu Yuneng won the material procurement project of energy storage power station in Taizhou Medical City, Jiangsu, and will work with Anhui Mingmei New Energy to jointly empower the development of Taizhou Medical City. Hubei EVE Power signed a contract with Jingmen High-tech Industrial Development Zone
On December 8, Hubei EVE Power, a subsidiary of Huizhou EVE Lithium Energy Co., Ltd., signed the "Contract" with the Management Committee of Jingmen High-tech Industrial Development Zone (hereinafter referred to as the "Jingmen High-tech Zone Management Committee").In Jingmen High-tech Zone, the total investment of the project is about 10.8 billion yuan, of which the investment in fixed assets is about 8 billion yuan.
According to this contract, EVE entrusts Jingmen High-tech Company to be responsible for the relevant tasks of the customized construction of the project, Jingmen High-tech Company entrusts its subsidiary project company to be responsible for the implementation of the relevant construction tasks, and EVE Power implements the relevant tasks of the construction management of the project. The investment of the project does not exceed 3.7 billion yuan, and the project is located in Jingmen Daodao High-tech Zone, covering an area of no more than 1,360 mu and a total construction area of no more than 650,000 square meters.