Cosl 60 1808

China Offshore Oil Service Co., Ltd. ("COSL", "COSL" or "COSL") is the largest comprehensive oilfield service provider in China offshore market, and it is affiliated to China Offshore Oil Corporation (CNOOC). Services run through all stages of offshore oil and gas exploration, development and production. Business is divided into four categories: geophysical prospecting services, drilling services, oilfield technical services and ship services. COSL publicly issued H shares +065438+ on June 20, 2002 and listed on the main board of the Hong Kong Stock Exchange with the stock number of 2883. Since March 26th, 2004, COSL's shares have been traded on the OTC market in the United States in the form of first-class American Depositary Receipts, and the stock number is CHOLY. COSL was listed on the Shanghai Stock Exchange on September 28th, 2007. A-share stock is called cosl for short, and the stock number is 60 1808.

Shihengxin 300 19 1

Shihengxin (300 19 1), the company was established in June 2003 +0 1, and Beijing Shihengxin Geophysical Technology Co., Ltd. was established with a registered capital of 30 million yuan. The company is a national high-tech enterprise that provides high-tech seismic data processing and interpretation services for oil companies during oil and gas exploration.

Guanghui energy 600256

Xinjiang Guanghui New Energy Co., Ltd. was incorporated in Yiwu county, Hami region in September 2006, with an initial registered capital of 1 1 billion yuan, and the registered capital of the enterprise will eventually reach 3 billion yuan. In Naomaohu Town, Yiwu County, Hami City, an annual output of 654.38+380,000 tons of methanol/840,000 tons of dimethyl ether and 550 million cubic meters of coal-based liquefied natural gas was invested. The company plans to invest 60 billion yuan to 65 billion yuan in four phases to build a coal chemical and coal-based natural gas production base with an annual output of 4.38 million tons of methanol/2.69 million tons of dimethyl ether and 8 billion cubic meters of coal-based natural gas in 10 (2007-20 17), and become a large-scale coal chemical and coal-based natural gas industrial base in Xinjiang and even the whole country. As the first methanol/dimethyl ether project in the autonomous region, the project was listed as a national coal chemical demonstration project by the National Development and Reform Commission.