BEIJING -- The Communist Party of China (CPC) Central Committee has sent a congratulatory message to the Taiwan Democratic Self-Government League on its 70th anniversary.

Han Zheng, member of the Standing Committee of the Political Bureau of the CPC Central Committee, read the message on behalf of the CPC Central Committee at the league's tenth national congress, which opened Tuesday.

The event also celebrated the 70th anniversary of founding of the league, one of the eight non-Communist political parties on the Chinese mainland.

The letter expressed appreciation of the league's work over the past five years in providing important references to the CPC Central Committee's decision-making with its surveys, studies and suggestions.

It also acknowledged the league's contribution in bridging exchanges and cooperation across the Taiwan Strait and in promoting cross-Strait communication and affinity.

Noting that resolving the Taiwan issue to achieve reunification is the shared aspiration of all Chinese, the message hailed the unique advantage of the league, as a political party consisting of Taiwanese living in the mainland, in maintaining broad connections with Taiwanese compatriots both domestic and overseas.

The cause of securing a decisive victory in building a moderately prosperous society in all respects and striving for the great success of socialism with Chinese characteristics for a new era requires the solidarity and joint efforts by Chinese people from all ethnic groups, the message said.

It said the CPC will, adhering to the spirit of its 19th national congress, uphold and improve the system of CPC-led multiparty cooperation and political consultation.

The CPC will also unswervingly implement the principles of long-term coexistence, mutual oversight, sincerity, and sharing the rough times and the smooth in handling its relationships with other Chinese political parties, and the CPC will support these parties in performing their duties in accordance with the requirements of the Chinese socialist system for their participation in governance, it said.

The letter further called on the league to play its role in expanding economic and cultural exchanges with Taiwan, improving the welfare for people on both sides of the Strait and consolidating the foundation of public opinion for the peaceful development of cross-Strait relations.

Lin Wenyi, chairperson of the league's central committee, delivered a work report, calling on league members to make greater contributions in the consultation and deliberation process, enhance exchanges among the public, and implement the people-centered philosophy of development.

The congress is scheduled to elect the league's new central committee.