Core Viewpoint - Hebei Yunlan Construction Engineering Co., Ltd. has been established with a registered capital of 3 million RMB, fully owned by Shijiazhuang Yuxian Technology Co., Ltd. [1] Company Information - The legal representative of Hebei Yunlan Construction Engineering Co., Ltd. is Li Haixing [1] - The company is registered with a capital of 3 million RMB [1] - The business scope includes construction machinery and equipment leasing, project management services, and various engineering services [1] Shareholding Structure - Shijiazhuang Yuxian Technology Co., Ltd. holds 100% of the shares in Hebei Yunlan Construction Engineering Co., Ltd. [1] Business Operations - The company’s operations cover a wide range of services including construction engineering, mechanical equipment leasing, and technical consulting [1] - Specific services include residential water and electricity installation maintenance, industrial engineering design, and information technology consulting [1] Regulatory Information - The company is classified under the national standard industry of scientific research and technical services, specifically in professional technical services [1] - The business is registered with the Langfang City Sanhe Market Supervision Administration [1]

Market Performance - The three major A-share indices collectively declined, with the Shanghai Composite Index down by 0.07%, the Shenzhen Component Index down by 0.51%, and the ChiNext Index down by 0.82% [1] - The North Stock 50 index increased by 0.81% [1] - The total trading volume in the Shanghai and Shenzhen markets was approximately 280.04 billion yuan, a decrease of about 53.84 billion yuan compared to the previous trading day [1] Stock Movement - Out of 3731 stocks in the market, 3731 stocks rose while 1595 stocks fell, with 111 stocks hitting the daily limit up and 6 stocks hitting the daily limit down [1] Sector Performance - Leading sectors included aerospace, aircraft carriers, military state-owned enterprises, defense and military industry, electric equipment, and construction engineering [1] - Underperforming sectors included non-ferrous metals such as cobalt, antimony, zinc, securities, energy metals, and non-bank financials [1]