Christopher Pala for The New York Times Workers for China National Petroleum who helped build a $700 million pipeline attended an opening ceremony in Atasu, Kazakhstan, in December. A company executive called the pipeline "the new Silk Road." March 17, 2006 China Pays Dearly for Kazakhstan Oil By CHRISTOPHER PALA ALMATY, Kazakhstan ? China, which for more than a century turned its back on Central Asia, has reached out to Kazakhstan, Central Asia's biggest country, for one major reason: oil.In 2005, the China National Petroleum Corporation bought Petrokazakhstan, a Canadian-run company that was the former Soviet Union's largest independent...