The cancellation of the invitation will not shake China's determination to protect its sovereignty and security interests, Ren said.
The case has been filed with the Zhengzhou Intermediate People's Court.
The cause of the accident is still being investigated.
The blast happened early Tuesday morning at Yunhai Aluminum Company in the city of Yongji. Three people died at the scene and three others were injured, said the local government.
The bridge cost about 120 billion yuan (.8 billion). Once operational, it will cut the journey time between Hong Kong and Zhuhai by car from four hours to less than 60 minutes.
The bow of COSCO Shipping Aries. Wu Nian/ CHINA DAILY
网页排名优化
The carmaker said in July it is seeking a new round of financing that could reach billion for product development, sales network and customer service.
The center has 14 simulated functional areas - including public transportation, a police station, a driving school, a job market, a bank and an administrative service center - to help inmates become familiar with these situations.
The businesssector party urged the public to resolve the dispute in a peaceful and rational manner through negotiations, and consider the city's overall interests.
The capital also launched a campaign against online games that distort Chinese history, discredit heroes, violate the national religious policy, or promote violence or pornography, to develop a healthy network environment for children.