In order to control regional trade groups,GATT/WTO enacted a series of rules of regional trade integration.

This text has carried on several legal problems involved in China's regional trade integrating, these questions include: Four mats of questions of one country, the l.

Economic Development and Trade-regionalization;

Integration of Trade and Regional Economic Cooperation in East Asia

After analyzing the connotations and effects of disintegration of production,we give some propositions and estimate the degree both of the integration of trade and of the disintegration of production of China and the Yangtze River Delta based on the input-output tables,after then,we give correlation tests between them.

Based on the VECM, cointegration analysis and Granger causality test, it finds that the trade deficit has been significantly affected by the development of international industrial specialization and the high level of growth in the integration of trade in China.

Research on trade integration of China,Japan and South Korea from perspective of Sino-Japanese,Sino-South Korean bilateral trade;

The trade integration of East Asia also has important.

The rapid development of the regional trading system has a huge impact on the multilateral trading system which plays a cornerstone role in the WTO.