China has given assurance to Chairman Pakistan People's Party Bilawal Bhutto Zardari of cooperation in improving Pakistan's economy with further investments, besides enhancing contacts at party-to-party level, APP reported. This assurances was given to Bilawal Bhutto Zardari at a banquet hosted in his honour and other members of the Pakistani delegation by the senior leader of the Central Committee of the Communist Party of China (CPC) Liu Hongcai here on Sunday. The members of the delegation included Secretary General of PPP Jahangir Badar, Adviser to Prime Minister on Interior Rehman Malik, the Charge D' Affaires of Pakistan Embassy, Abdul Salik Khan and others. On the occasion, Bilawal Bhutto presented various proposals including close cooperation and exchange of visits between PPP and CPC and expansion of cooperation in economic field. Liu who is also Vice Minister appreciated these proposals. He also assured that China would extend all out help in all spheres of life for improving socio-economic conditions of the people of Pakistan as well as further cementing the bilateral relations.