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Ranked first in China in the high voltage value, single cable length and total length of the undersea cable.
Ranked first in China in the high voltage value, single cable length and total length of the undersea cable.
2020-12-29
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First to past the 4,000-meter test in terms of undersea cable.
First to past the 4,000-meter test in terms of undersea cable.
2020-12-29
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Participated in the design, construction and delivery of the first temperature measuring double circuit OPPC line in China.
Participated in the design, construction and delivery of the first temperature measuring double circuit OPPC line in China.
2020-12-29
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Participated in the design, construction and delivery of the first 110kv voltage OPPC line in China.
Participated in the design, construction and delivery of the first 110kv voltage OPPC line in China.
2020-12-29
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Participated in the extreme high voltage DC transmission line "Zhengzhou Harbin Line" which was the first in the world to use the hyper high voltage, long span and ultra-low loss OPGW.
Participated in the extreme high voltage DC transmission line "Zhengzhou Harbin Line" which was the first in the world to use the hyper high voltage, long span and ultra-low loss OPGW.
2020-12-29
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Participated in the world's first ±1100kV extreme high voltage DC transmission line construction
Participated in the world's first ±1100kV extreme high voltage DC transmission line construction
2020-12-29
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World number 1 in terms of the size of both the "cross section and span" Amazon OPGW project in Brazil
World number 1 in terms of the size of both the "cross section and span" Amazon OPGW project in Brazil
2020-12-29
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First in the world to develop the G .654E long distance land trunk fiber system.
First in the world to develop the G .654E long distance land trunk fiber system.
2020-12-29
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First in China to develop the UUA ultra-low loss and ultra-large effective area single mode fiber.
First in China to develop the UUA ultra-low loss and ultra-large effective area single mode fiber.
2020-12-29
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First to develop the 400G large capacity ultra-low loss fiber, and included in the national "Industrial Basis Improvement Engineering" project.
First to develop the 400G large capacity ultra-low loss fiber, and included in the national "Industrial Basis Improvement Engineering" project.
2020-12-29
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First in the world to launch the fiber telecommunication system with "ultra-low loss, ultra long distance and ultra-large capacity".
First in the world to launch the fiber telecommunication system with "ultra-low loss, ultra long distance and ultra-large capacity".
2020-12-29
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Independently developed oversize optical wand (diameter 200mm, length 6,000mm, length of wire-drawing of single wand 15,000km), world longest in terms of wire-drawing length.
Independently developed oversize optical wand (diameter 200mm, length 6,000mm, length of wire-drawing of single wand 15,000km), world longest in terms of wire-drawing length.
2020-12-29
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