-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
亚洲一区国产肥熟女视频一区二区一区二区三区高清不卡视频日本一区二区三区不卡视频老熟女一区二区免费亚洲一区二区三区日本一区二区视频一区二区三区精品亚洲一区一区二区三区国产欧美一区二区三区精品仙草咪，国产一区国产精品一区国产精品一区二区三区亚洲国产一区二区三区虚拟vr一区二区三区变态拳头交视频一区二区精品国产一区二区三区国产精品一区二区三区手机在线观看欧美成人免费一区二区三区国产欧美精品综合一区二区三区，日本一区二区欧美午夜一区二区福利视频精品国产不卡一区二区三区一区日本高清一区二区亚洲一区二区精品一区成人精品欧美日韩亚洲精品一区一区二区三区欧美激情综合一区二区三区国产福利一区二区三区视频在线，欧美一区亚洲中文字幕一区二区三区高清一区二区三区日本亚洲综合色自拍一区欧美不卡一区二区三区国产欧美在线观看一区二区三区一区二区三区精品免费视频国产精品美女一区二区三区日本一区二区三区高清千人斩一区二区三区久亚洲一区一区二区三区，日本一区国产自产一区c亚洲欧美日韩一区二区国产日产久久高清欧美一区视频一区二区三区日韩在线一区二区三区免费视频国产一区二区三区在线视频鲁丝一区二区三区免费国产精品日韩欧美一区二区三区欧美亚洲国产一区二区三区
