China Mobile will absorb the loss-making China Railway Communication (also known as China Tietong, or Tietong Telecom), making it an independent, fully owned subsidiary.
It was unclear how the new stadium work would fit into China Railway Construction's portfolio.
China Railway pledges to assist Crystallex to retire some notes and make a small equity investment in Crystallex.
China Railway Construction said in a filing that it isn't part of the Chinese consortium buying the equity stake.
Crystallex is giving the China Railway Resources Group a two-thirds interest in the Las Cristinas project for a song.
Reports of the incident on Monday triggered a selloff of China railway-related stock.
China Railway will also take over the effort to get those permits.
On the Hong Kong stock exchange, China Railway Construction Corp. closed Monday's trading at 5.31 Hong Kong dollars (68 U.S. cents), down 7.3%.
Officials at China Railway Construction didn't respond to requests for comment.
China Railway Construction Corporation is its second-biggest and its largest contractor.
The new structure will place construction and the management of services under the new China Railway Corp, while safety and regulation will come under the transport ministry.
BBC: Travellers at the Beijing West Railway Station, Jan 2013
China Railway Engineering Corporation is the country's biggest construction enterprise.
According to investigators, the signal that failed in the Wenzhou crash was developed over six months, beginning in June, 2007, by the state-owned China Railway Signal and Communication Corporation.
It said its China Railway 15th Bureau unit is in talks with the team over building a soccer stadium and that it will make an announcement when a contract is signed.
Beijing News on Monday quoted people from the China Railway No. 3 Engineering Group as saying that the pits were dug to make room for a giant crane to lift away the rest of the carriages that remain on the overhead rail tracks.
China's railway ministry saw infrastructure investment fall 39% in the first half of 2012 from a year earlier.
The Global Times and China Daily said China's railway ministry has ordered railway stations to replace their English station name signage with Pinyin.
China upgraded a 225-kilometer highway from China's railway system to the Mongolian border, leaving Friedland the task of convincing someone to finish the highway 80 kilometers farther to Turquoise Hill.
China upgraded a 140-mile highway from China's railway system to the Mongolian border, leaving Friedland the task of convincing someone to finish the highway 50 miles farther to Turquoise Hill.
The railway ministry, which is China's largest corporate-bond issuer, used all of last year's quota for long-dated bonds and also raised an additional 50 billion yuan via short-term bills and medium-term notes.
Meanwhile, on the other side of the planet, China completed its first underwater railway tunnel on Saturday.
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China prepared to export its railway technology to Iran, Venezuela, and Turkey.
Nor has anyone yet broached the question of who might pay for upgrading the North's track to take the mountain of exports that the South hopes to send via North Korea, China and the trans-Siberian railway on to Europe.
Despite having to slow its originally rapid expansion plans, China recently increased its budget for railway investment this year by 16% and expects to lay 13, 000 km of high-speed rail by January 2013 -- more than the combined rail network installed across all Western countries over the past half-century.
China's own high-speed railway network has been lauded as a symbol of this country's far-sighted infrastructure investment policy.
As a result, within a few years China may well have the most advanced railway industry in the world.
It has helped rebuild the Tanzam railway, for example, linking Zambia's copper belt, where China has large projects, and Dar-es-Salaam, where it has modernised the port.
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China is even going to the US to become involved in high-speed railway projects, where it can offer the engineering expertise and financing to Americans.
China has a long history of building and maintaining Tanzanian infrastructure, most notably the Tazara railway, which was built in the first half of the 1970s.
China has already been expressing an interest in Britain's plans to build high-speed railway links.
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