There are still many issues concerning the legitimacy of the ocean discharge, the reliability of purification devices and the completeness of monitoring plans on the part of the Japanese side, the official added.

According to the report, the Chinese market has an advantage in terms of supply chain completeness compared with Europe, the US and Japan, where many of the industry's functions have been outsourced.

The supply of raw materials, the completeness of capital resources and the proportion of high-quality labor force can all determine the production cost.

Despite the fact that many foreign economies fully resumed production later last year, the completeness of their industrial and supply chains cannot compete with China's, said Liu Xiangdong, a researcher at the China Center for International Economic Exchanges in Beijing.

Even though many countries have resumed production since the second half of last year, their completeness of industrial and supply chains cannot compete with China's, and the nation's overall situation of using foreign capital will remain optimistic this year, said Liang Ming, a researcher at the Chinese Academy of International Trade and Economic Cooperation in Beijing.

Experts and business leaders said such efforts have played a key role in maintaining steady socioeconomic development and demonstrate China's unparalleled capabilities in manufacturing, which is characterized by its huge scale, completeness and high efficiency of related industrial and supply chains.

Pan said that the review process had been quickened as the emphasis of review was shifting from profitability to authenticity, completeness and accuracy of information disclosure.

"Therefore, the regulatory review of IPO application documents aims to ensure the authenticity, completeness and adequacy of their information disclosure.