A-share fiber optic concept stocks became active again. SDGI hit the daily limit in the afternoon, YCIG had previously hit the daily limit, and YOFC rose over 7%, with their stock prices all hitting record highs. HYC hit its fifth consecutive daily limit, while ETERN, NEO, TGC, and others were among the top gainersWallstreetcn·Apr 9 at 01:06 AM159583+4.99%600184+4.20%
The power grid equipment sector was repeatedly active, with XNTS hitting the one-word limit-up, while CREAT, IESLAB, SMS, Keyvia Electric, and TGC collectively opened higherWallstreetcn·Mar 23 at 08:28 PM002857+4.08%002339+1.13%
History is always surprisingly similar: Can the optical fiber supercycle continue? Capacity expansion is the biggest concernWallstreetcn·Mar 10 at 08:17 AM06869+5.16%601869+3.37%
Systematic and large-scale promotion, the ultra-high voltage industry chain maintains a high level of prosperity36Kr·Feb 8 at 06:50 PM600875+0.76%000551+2.74%
Power grid equipment stocks rebounded quickly, with Hangzhou Cables and IESLAB both hitting the daily limit, while YN Power, TGC, San Bian Sci-Tech, and HJT also saw gainsWallstreetcn·Feb 5 at 07:42 PM300265+5.16%603577+2.28%
TGC: The company is a major qualified supplier for AVIC Group, China Aerospace Science and Technology Corporation, and other unitsWallstreetcn·Jan 11 at 07:09 PM300265+5.16%
TGC's subsidiary is expected to win a bid for approximately 138 million yuan in a State Grid projectZhitong·Nov 3, 2025 at 02:00 AM300265+5.16%
The ultra-high voltage sector continued to weaken in the afternoon, with Hangzhou Cables and SAC both hitting the daily limit down. ZHONHEN, ZHONG CHAO HOLDING, Dongcai Technology, Far East Co., Ltd, and TGC also followed suitZhitong·Oct 30, 2025 at 12:17 AM002471+1.97%600869+3.67%
TGC released its performance for the first three quarters, with a net profit attributable to the parent company of 32.1334 million yuan, a decrease of 38.19%Zhitong·Oct 28, 2025 at 03:21 AM300265+5.16%
TGC: The cumulative deviation value of the trading price of convertible bonds has reached 30% over the past 2 trading daysZhitong·Oct 20, 2025 at 03:41 AM300265+5.16%
TGC: The company is expected to win the bid for the State Grid procurement project, with a bid amount of 108 million yuanZhitong·Aug 29, 2025 at 02:45 AM300265+5.16%
TGC stated on the interactive platform that the company currently has no applications, technologies, or patents related to hollow-core optical fibersZhitong·Aug 25, 2025 at 08:03 PM300265+5.16%
TGC: Net profit of 17.6903 million yuan in the first half of 2025, a year-on-year decrease of 59.49%Zhitong·Aug 22, 2025 at 05:59 AM300265+5.16%
TGC and YOFC establish a new technology companyZhitong·Aug 3, 2025 at 08:56 PM601869+3.37%06869+5.16%
TGC: Received the "Decision on Non-Prohibition of Antitrust Review of Operator Concentration" from the State Administration for Market RegulationZhitong·Jul 21, 2025 at 03:48 AM300265+5.16%