The CPWDP members should engage more in deliberation and administration of state affairs, give advice and make more proposals, he said.
Also at the ceremony, Yu Zhengsheng, a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee, gave a congratulatory speech on behalf of the CPC Central Committee.
"The CPWDP boasts a glorious history and fine tradition and has gone through great hardships," Yu said.
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