The Chinese Ministry of Commerce has voiced its concerns over possible US investigation against alleged Chinese steel pipe dumping, urging the US side to deal with the issue prudently.

Yao Jian, spokesperson of the Ministry, made the remarks at a regular press conference Wednesday.

US steel pipe makers and a related trade association last week formally filed a petition to the US Department of Commerce and the US International Trade Commission, seeking an anti-dumping and countervailing duty investigation into steel pipes imported from China, used in oil and gas drilling.

Yao Jian reiterated that the recently-concluded G20 financial summit in London was a demonstration that all countries should work together to fight protectionism and avoid setting new trade and investment barriers.

"It's well known that the financial crisis originated in the United States. As an economic power, the US should shoulder its responsibilities and obligations, abiding by its promise at the G20 Summit. We hope the US administrative authority could act in a prudent way while dealing with the issue. Otherwise, it will pose adverse effects to the trade relations between China and the US."

Yao Jian said China's export of steel products declined by 55% in the first quarter, so it's inappropriate for US makers of steel pipes to file charges against their Chinese counterparts.

He said officials with the Chinese Ministry of Commerce have met with American commerce delegates in China. And the Ministry will also send a delegation to the US for negotiations with their American counterparts.

"Both the Chinese enterprises and government are very concerned over the issue. We'll keep a close watch on the moves from the US side and make responses we see fit."