Pakistan and China today signed a contract to manufacture a version of the jointly developed Al-Khalid-I tanks. First developed in the 1990’s, the tank was introduced in 2001 with the new version equipped with has improved capability and systems. The contract was signed by Pakistan's Heavy Industries Taxila and China's NORINCO at the Ministry of Defence Production. The joint marketing of the Al-Khalid tank with China would open up potential markets, the statement said.