The measures come a few days after Commerce Minister Chen Deming told reporters that, while he does not seek a trade war, he will act to protect the interests of Chinese firms in solar and other industries.
The Ministry of Commerce said in a statement on its website the anti-dumping investigation of glycol and diethylene glycol -- a widely used solvent -- will last until Feb. 18.
It did not specify the temporary measures it would take against the imported toluene di-isocyanate, an organic compound used to make plastics and rubber.
Trade relations between China and the European Union have been strained due to the imposition of a string of anti-dumping tariffs.
Beijing slapped five-year anti-dumping tariffs on imports of stainless steel tubes used in the oil and gas industry from the EU and Japan.
China lodged a complaint with the World Trade Organization to challenge solar pricing policies that Beijing argues favor firms in Italy and Greece. (Reuters)