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  • Top 10 trends in photovoltaic 2025

      In the next 5 to 10 years, major countries and regions in the world will gradually adopt renewable energy as the main power source for the power grid. Photovoltaics will become the main force in renewable energy. How to ensure the safety, reliability and economy of power generation assets ...
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  • Detailed introduction of different types of roof-mounted distributed photovoltaic power generation

    At present, installing distributed photovoltaic on the roof can insulate, generate income, and save electricity costs. It can also waterproof the roof and even make it into a sun room. But how is distributed rooftop photovoltaic generally installed? Will there be adverse effects on the roof after...
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  • In addition to photovoltaic roofs, there are 8 types of applications

    With the increasing application of green buildings, photovoltaic building applications have also attracted much attention. In addition to the combination of photovoltaic and building, there are the following forms in addition to roof applications. 01 Shade Shade system   Corresponding sunsh...
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  • Cold Bending Machine Safety Operating Procedures

    Application scope of Longlong cold bending machine Cold bending machine use scope: 1. Project scope: greenhouse construction, photovoltaic power station, warehouse shelves, etc. 2. Steel scope: U-shaped steel, angle steel, C-shaped steel, rail steel and some non-standard shaped steel. Outstanding...
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  • We started! Ensure the safety of our products and employees

    As the new coronavirus rages in China, up to government departments, and then to ordinary people, our Tianjin Longlong Metal Products Factory is actively taking action in all walks of life to do epidemic prevention and control. Prevention and control work. Although our factory is not in the core ...
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  • Fighting power will be an effective driving force for Longlong

    Beginning in January 2020, an infectious disease occurred in Wuhan, China, called “new coronavirus infection and fulminant pneumonia.” This epidemic has moved the hearts of people all over the world. Faced with this epidemic, the Chinese people throughout the country are actively figh...
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  • This is a test for China’s foreign trade, but it will not decline

      The sudden emergence of the new coronavirus is a test of China’s foreign trade, but this does not mean that China’s foreign trade will decline. In the short term, the negative impact of this epidemic on China’s foreign trade will soon emerge, but this effect is no longer ...
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  • What are the characteristics of metal rolling process

    What are the characteristics of metal rolling process

    Rolling is a pressure processing method in which a metal billet is passed through a gap (various shapes) of a pair of rotating rolls, and the material cross section is reduced by the compression of the rolls and the length is increased. Compression is the process of plastic deformation. By rolli...
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  • China-US trade agreement reached has little impact on China’s photovoltaic industry

    China-US trade agreement reached has little impact on China’s photovoltaic industry

    On the morning of January 15, local time, the signing ceremony of the first phase of the China-US economic and trade agreement was held in the East Hall of the White House. Liu He, member of the Political Bureau of the CPC Central Committee, vice premier of the State Council, and Chinese leader o...
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  • U.S. plans to become global energy storage leader by 2030

    The U.S. Department of Energy has announced a new plan to help develop and bring next-generation energy storage technologies to market. The goal of the “Energy Storage Challenge” is to ensure that the United States becomes a global energy storage leader by 2030 and forms a domestic ma...
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  • New energy is expected to become a new growth point for China-Egypt cooperation

    Chinese State Councilor and Foreign Minister Wang Yi and Egyptian Foreign Minister Shukli co-chaired China-Egypt diplomatic strategic dialogue in Cairo on the 8th and met with reporters. Wang Yi said that there is a tradition in Chinese diplomacy that foreign ministers must visit Africa for the f...
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  • Matching aluminum profile for glass greenhouse

    Matching aluminum profile for glass greenhouse

    At present, most of the greenhouses made in China are surrounded by glass, and there are two options for aluminum profiles of surrounding glass. The surrounding is hollow glass, which can be selected from the three-piece hollow and hollow rubber strip stand. When the surrounding is single-layer ...
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