Zardari also invited private companies in China engaged in building small and medium dams to bid for the construction of 12 such dams in Pakistan's four provinces. Five dams will be built in Balochistan, four in Sindh, two in Punjab and two in the North West Frontier Province, for which sites have already been identified.

Pakistan and China also signed a MoU on cooperation in drug regulation and production of hepatitis B and C vaccines.

The Sindh Agricultural University in Tandojam and the South China Agricultural University in Guangzhou province signed a MoU for cooperation in agricultural research, plant protection and animal husbandry.

Zardari also visited the Pearl River Fisheries Research Institute where an MoU was signed for setting up a model fisheries farm in Pakistan and also to train Pakistani fishermen in advanced techniques.

Two separate MoUs were signed by the Board of Investment of Pakistan and the China Council for Promotion of International Trade (CCPIT), Guangdong province, and the Guangdong sub-council of the CCPIT.

This was Zardari's fourth visit to China since the first in October last year, when he declared that he would visit China every three months along with experts.

The aim was to learn from the Chinese model of development on one hand and also to further boost trade and economic relations between the two countries.