A woman in Shanghai holds a box of pure milk produced by China Mengniu Dairy Co on Dec 26, 2011. [Photo / Agencies]

A batch of China Mengniu Dairy Co's milk products was found to contain excessive levels?Aflatoxin — a substance that could lead to cancer -- according to the latest test results from the General Administration of Quality Supervision, Inspection and Quarantine, Nanfang Daily reported Monday.

In the recently conducted routine inspection, which covered 200 diary products produced by 128 enterprises in 21 provinces, cities and districts, two products failed the test for Aflatoxin, including one batch of milk produced by Mengniu's plant in Meishan, Southwest China's Sichuan province, and another product made by Fujian Changfu Dairy Industry Group Co.

China Mengniu Dairy Co released two statements on Sunday declaring they have already destroyed the questionable milk.

Mengniu also said this batch of milk products has not been released to the market yet, the newspaper reported.