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The six sectors include steel, cement, plate glass, coal-chemical industry, polycrystalline silicon and windpower equipment.
The NDRC also warns of obvious production overcapacity in sectors like electrolytic aluminum, ship manufacturing and soybean oil extraction, said Chen during an on-line interview on www.gov.cn., the website of China's central government.
He said China would fight serious overcapacity in sectors like steel industry and offer guidance for new-born industries like windpower equipment to avoid low level repetitive construction.
China has achieved preliminary progresses in fighting the global economic downturn, but the foundation for economic recovery is not stable yet and overcapacity might lead to bankruptcy, unemployment and bad bank loans if it was not checked in time, he said.