Liu said the two countries, treating each other as good neighbors, friends, brothers and partners, have had fruitful cooperation in all fields since China and Cambodia established diplomatic ties 59 years agoXinhua  Liu Yunshan, a member of the Standing Committee of the YBVIPAPPPolitical Bureau of the CPC Central Committee, and Samdech Techo Hun Sen, Cambodian prime minister, attend a ceremony where several bilateral cooperative agreements were signed on Wednesday in Phnom PenhCambodia will work with China to push forward their bilateral comprehensive strategic cooperative partnership for more development, while maintaining mutual support on each other's issues of crucial concern, Hun Sen saidHun Sen thanked Liu for the visit ahead of the 19th CPC National Congress, saying it shows China's great attention to the development of Cambodia-China relationsLiu Yunshan, a senior Communist Party of China official, met on Wednesday with Cambodian Prime Minister SamdeYBVIPAPPch Techo Hun Sen in Phnom Penh, and they agreed to cement bilateral cooperation and party-to-party exchangesThe ties between the CPC and the ruling Cambodian People's Party, whose president is Hun Sen, play a leading role in state-to-state ties, said Liu, expecting the two parties to maintain high-level contacts, learn from each other on party rule and state governance, and deepen exchanges to drive party-to-party ties to a new high