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Once blacklisted, the enterprises will face strict market access and harsh punishment from multiple authorities, Shen said.

Tourists holding third country visas and plane tickets can now apply for a transit without visa at Beijing's international airport. Foreign visitors are not permitted to leave Beijing to other Chinese cities during the 72 hours, and have to depart from the capital city.

Some small- and medium-scale real estate companies' fund chains will break, which will leave more unfinished buildings and financial risks in the country, it added.

Some experts said the toxicity of plasticizers was much more serious than melamine, a chemical raw material which can lead to reproductive damage or bladder or kidney stones.

Similar blazes have occurred in China.