Group 1 - The Shanghai Composite Index rose by 0.13% to close at 3771.1 points, while the Hang Seng Index fell by 0.24% to close at 25104.61 points [1] - Liaoning Port Group's A/H premium reached 102.66%, ranking 25th among A/H shares [1] - As of the close, Liaoning Port's A-shares were priced at 1.62 yuan, with a 1.25% increase, and H-shares were priced at 0.87 HKD, remaining flat [1] Group 2 - Liaoning Port Group, formerly known as Dalian Port Co., Ltd., was listed in Hong Kong and Shanghai in 2006 and 2010 respectively, making it the first port company in China with both A and H share financing platforms [1] - On February 9, 2021, Dalian Port Co., Ltd. merged with Yingkou Port Group Co., Ltd., and was renamed Liaoning Port Group [1] - The restructured Liaoning Port Group's business includes containers, oil products, bulk cargo, and passenger roll-on/roll-off services, primarily located in Dalian and Yingkou [1]

Core Points - On August 21, the Shanghai Composite Index rose by 0.13% to close at 3771.1 points, while the Hang Seng Index fell by 0.24% to close at 25104.61 points [1] - China National Aviation Holdings Company, known as Air China, has an AH premium of 49.9%, ranking 73rd among AH shares [1] - As of the market close, Air China's A-shares were priced at 7.52 yuan, down by 0.13%, while its H-shares were priced at 5.46 Hong Kong dollars, up by 0.55% [1] Company Overview - Air China was established in 1988 as China International Airlines and underwent restructuring in October 2002, forming a new entity through the merger of China International Airlines, China Aviation Corporation, and China Southwest Airlines [1] - The company was officially established as a subsidiary of China Aviation Group in September 2004 and was listed on the Hong Kong Stock Exchange (stock code 0753) and the London Stock Exchange (trading code AIRC) in December 2004 [1]

Group 1 - The core point of the article highlights the performance of the Shanghai Composite Index and the Hang Seng Index on August 21, with the former rising by 0.13% to close at 3771.1 points and the latter falling by 0.24% to close at 25104.61 points [1] - China Communications Construction Company (CCCC) has an A/H premium of 73.77%, ranking 42nd among A/H shares [1] - On the same day, CCCC's A-shares closed at 9.42 yuan, up 1.62%, while its H-shares closed at 5.9 Hong Kong dollars, up 1.55% [1] Group 2 - CCCC is recognized as a global leader in large-scale infrastructure services, primarily engaged in the investment, construction, and operation of transportation infrastructure, equipment manufacturing, and urban development [1] - The company provides a comprehensive range of solutions and integrated services, including investment financing, consulting planning, design and construction, and management operations [1] - CCCC is the world's largest port design and construction company, the largest road and bridge design and construction company, the largest dredging company, the largest container crane manufacturer, and a leading provider of offshore drilling platform design and equipment [1] - Additionally, CCCC is the largest international engineering contractor in Asia and the largest highway investor in China [1]

Group 1 - The Shanghai Composite Index rose by 0.13% to close at 3771.1 points, while the Hang Seng Index fell by 0.24% to close at 25104.61 points [1] - China Shipbuilding Defense's A-H share premium reached 98.32%, ranking 29th among A-H shares [1] - The closing price for China Shipbuilding Defense's A-shares was 28.9 yuan, down 0.41%, and H-shares were 15.86 HKD, down 0.31% [1] Group 2 - China Shipbuilding Defense Equipment Co., Ltd. is a major shipbuilding enterprise under China Shipbuilding Group, with its origins tracing back to Guangzhou Shipyard International Co., Ltd. [1] - The company was listed in Shanghai and Hong Kong in 1993, becoming the first A+H share listed shipbuilding enterprise in China [1] - To promote industry consolidation and enhance competitiveness, China Shipbuilding Defense acquired several companies in 2014 and 2015, integrating quality shipbuilding assets in South China [1] - The company aims to become a leading enterprise in the global marine and heavy equipment market, focusing on technology and service excellence [1]

Group 1 - The Shanghai Composite Index rose by 0.13% to close at 3771.1 points, while the Hang Seng Index fell by 0.24% to 25104.61 points [1] - China Oilfield Services Limited (COSL) has an AH premium of 110.56%, ranking 22nd among AH shares [1] - COSL's A-shares closed at 14.49 yuan, up 2.77%, and H-shares closed at 7.49 HKD, up 4.61% [1] Group 2 - COSL is a major integrated oilfield service provider globally, offering services across all stages of offshore oil and gas exploration, development, and production [1] - The company's services are categorized into four main types: geophysical exploration services, drilling services, oilfield technical services, and marine services [1] - COSL was publicly listed on the Hong Kong Stock Exchange on November 20, 2002, and has been trading in the U.S. OTC market since March 26, 2004, and on the Shanghai Stock Exchange since September 28, 2007 [1]

Core Points - The Shanghai Composite Index rose by 0.13% to close at 3771.1 points, while the Hang Seng Index fell by 0.24% to close at 25104.61 points [1] - Zhengzhou Bank's A/H premium reached 62.1%, ranking it 58th among A/H shares [1] - As of the close, Zhengzhou Bank's A-shares were priced at 2.1 yuan, with a gain of 0.48%, and H-shares were priced at 1.41 HKD, remaining flat [1] Company Overview - Zhengzhou Bank was established in 1996 and went public in Hong Kong and Shenzhen in 2015 and 2018, respectively, making it the first city commercial bank in China to list as "A+H" shares [1] - In April 2022, Zhengzhou Bank was designated as the policy-oriented financial operation entity for scientific and technological innovation in Henan Province by the provincial government [1] - The bank operates 182 branches within the province, including 14 city branches, and manages 7 village and town banks as well as 1 financial leasing company [1]

Group 1 - The Shanghai Composite Index rose by 0.13% to close at 3771.1 points, while the Hang Seng Index fell by 0.24% to 25104.61 points [1] - China Merchants Energy Transportation Co., Ltd. (stock code: 600026.SH, 1138.HK) has an AH premium of 66.52%, ranking 51st among AH shares [1] - The A-shares of China Merchants Energy closed at 10.22 yuan, with an increase of 0.39%, while the H-shares closed at 6.68 HKD, rising by 2.77% [1] Group 2 - China Merchants Energy was established on June 6, 2016, in Shanghai and is a specialized company under China Ocean Shipping Group Co., Ltd., engaged in the storage and transportation of oil products, liquefied natural gas, liquefied petroleum gas, and chemicals [1] - The company aims to become a comprehensive energy transportation solution provider, covering over 300 global ports and serving more than 200 domestic and international clients with customized services [1] - China Merchants Energy focuses on two core businesses: tanker transportation and LNG transportation, boasting the world's largest tanker fleet capacity and a complete range of tanker types [1]

Group 1 - The Shanghai Composite Index rose by 1.04%, closing at 3766.21 points, while the Hang Seng Index increased by 0.17%, closing at 25165.94 points [1] - Sinopec Oilfield Service Corporation (SSC) has an A/H premium of 180.2%, ranking fifth among A/H shares [1] - SSC's A-shares closed at 2.06 yuan, with a gain of 1.48%, while its H-shares closed flat at 0.8 Hong Kong dollars [1] Group 2 - SSC is a major integrated oil and gas engineering and technical service company controlled by China Petroleum & Chemical Corporation, with over 60 years of operational experience [1] - The company was formed through the restructuring of various oilfield enterprises under China Petroleum & Chemical Corporation in June 2012 [1] - SSC was listed simultaneously in Shanghai and Hong Kong in 2014, with stock codes SH600871 and HK1033 [1]

Group 1 - The Shanghai Composite Index fell by 0.02% to close at 3727.29 points, while the Hang Seng Index decreased by 0.21% to 25122.9 points [1] - Sinopec Oilfield Service Corporation (SSC) has an AH premium of 175.67%, ranking fourth among AH shares [1] - SSC's A-shares closed at 2.03 yuan, remaining flat, while H-shares closed at 0.8 Hong Kong dollars, down by 1.23% [1] Group 2 - SSC is a major integrated oil and gas engineering and technical service company controlled by China Petroleum & Chemical Corporation (Sinopec Group), with over 60 years of operational experience [1] - The company was formed through the restructuring of various oilfield enterprises and has been listed in both Shanghai and Hong Kong since 2014 [1] - The stock codes for SSC are SH600871 for A-shares and HK1033 for H-shares [1]

Group 1 - The Shanghai Composite Index fell by 0.02% to close at 3727.29 points, while the Hang Seng Index decreased by 0.21% to 25122.9 points [1] - Fudan Zhangjiang's A/H premium reached 183.21%, ranking third among A/H shares [1] - At market close, Fudan Zhangjiang's A-shares were priced at 10.48 yuan, down 1.87%, and H-shares were at 4.02 HKD, down 1.95% [1] Group 2 - Fudan Zhangjiang Biopharmaceutical Co., Ltd. was established in November 1996 in the Zhangjiang Hi-Tech Park, Shanghai, with notable shareholders including Shanghai Pharmaceuticals Holding Co., Ltd. [1] - The company focuses on innovative research, development, production, and sales in the biopharmaceutical sector, aiming to become a leading innovation enterprise centered on intellectual property [1] - Fudan Zhangjiang has developed competitive advantages in areas such as gene technology drugs, photodynamic therapy drugs, nanotechnology drugs, and oral solid dosage forms, with new drugs expected to be launched in the market [1] - The company has undertaken several national key science and technology projects, including the "National Key Technology R&D Program," "National High Technology Research and Development Program (863 Program)," and "Major New Drug Creation" projects [1]