Hazelnuts were tested in Tieling supply market by provincial forestry and grass bureau and Tieling forestry and grass bureau. The test results of 20 random samples reveals that the pass rate was 100%. According to the relevant international standards, 9 contaminant limits and the maximum residue limits of pesticides, which are of great concern, have been tested in this sampling inspection, and the test results all meet the national standards.

Since 2013, provincial and municipal forestry and grass departments have conducted the eighth annual inspection on the quality and safety supervision of hazelnut food in Tieling, which not only attaches importance to the quality and safety of hazelnut products, but also further proves the safety and reliability of hazelnut in Tieling, which is helpful to promote the further sustainable and healthy development of hazelnuts industry in Tieling.