KUALA LUMPUR, Malaysia — Malaysia’s trade ministry said it has imposed provisional anti-dumping duties on some flat-rolled products of iron or non-alloy steel exports from China, India, Japan and South Korea. The duties, on products with a width of more than 600 mm, range from 2.52% to 36.80% and were effective from Jan. 11, the ministry said in a statement on Monday. The ministry said the provisional anti-dumping duties will be in effect for up to 120 days, with a final determination to be made by May 10, and that feedback on the preliminary determination could be submitted by Jan.