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Construction of an ultra-high voltage "super project" with a total investment of 24.4 billion yuan began





Recently, the fourth quarter of 2019 major projects of sichuan province, located in sichuan power company of state grid, were launched at the main venue of the ceremony for the centralized commencement of the fourth quarter of sichuan province.Marked by the start of the yazhong project, three uhv lines will be built in sichuan in the next four years, setting off a new wave of uhv construction.

The azhong project is called a "super project" because of its size in the first place.The yazhong project starts in yanyuan county, liangshan prefecture, and ends in fuzhou city, jiangxi province, passing through sichuan, yunnan, guizhou, hunan and jiangxi provinces, with a total investment of 24.4 billion yuan and a power transmission distance of 1,700 kilometers.Within sichuan alone, it is necessary to build one new converter station, 208 kilometers of lines, erect more than 1,000 iron towers, and build, renovate and expand 28 Bridges.

"Super engineering" also faces severe construction challenges.Within two years, with the exception of the salt-source converter station, all kinds of line projects need to be completed in the same period, with huge projects and concentrated construction cycles.Due to the multiple tests of mountain roads, Bridges and tunnels in liangshan prefecture, it is the most difficult to transport large parts of the project for domestic converter stations.In order to solve the transportation problem of huge electrical equipment, the oversize arch bridge with the heaviest load tonnage should be built across the yalong river.For the first time, a number of construction contents were implemented in the state grid system, and engineering safety and quality control faced great challenges.

With the construction of yazhong project, sichuan will set off a new round of uhv construction climax.Following the three uhv projects of fufeng, jinsu and binjin, state grid has launched three new uhv projects, namely the "new three direct" project in sichuan.In addition to the yazhong project, the "new three direct current" project also includes two uhvdc projects, namely baihetan - jiangsu and baihetan - zhejiang.After the completion of the "new three direct" project, the scale of sichuan hydropower supply will be doubled again, which will greatly alleviate the problem of water abandonment during the flood period.


           Jiangsu Jinsanli Power Equipment Industrial Co., Ltd. was founded in 2001, Is located in the Guli street of Nanjing Jiangning Economic and Technological Development Zone.We are specializing in the production of UHV Transmission Insulators and Transmission Rubber Components. We maintian and continue to improve our product quality at the same time focus on research and development of new technology to meet the China and Overseas electricity market demand. We work together with the best Electrical Engineers in China and the Nanjing Univeristy Polymer Research Center to develop a new type of material for Transmission Line Insulators. .This is called the MODIFIED POLYETHYLENE(HDPE), unlike the ordinary polyethylene that is in the market now this is made up of new material to make a Hard Composite Type, High Insulation Performance, High UV Protection for longer life, Light Weight, Stronger Mechanical Strenght and Impact Resistance, Provide more superior moisture and contamination shedding because of the High Hydrophobic Property and a longer Leakage Distance and finally the Anti-Tracking Property that makes this product more efficient and make it quickly recognised all over the world.

           We passed ISO9001: 2015 quality management system certification, ISO14001: 2015 environmental management system certification and ISO18001: 2007 occupational health and safety management system certification. We are certified by the National Grid Product Technology in 2013, We won the title of Best Private Technology Enterprises in Jiangsu Province.  We officially become a National High-Tech Enterprises in 2016 because of our dedication and continous development on new materials for the electrical industry. And In 2017, We become the Leading Company in Nanjing for the Technology Research. Through the efforts of all staff, our company won the title of China's industry-university-research cooperation innovation demonstration enterprise in 2019.

           [Pragmatic innovation] this is our company motto. We work hard to developed and produced the best product for China's Power Transmission Industry and for Overseas Power Industry.

 

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