According to the database of the China Business Research Institute, the output of plastic products in Heilongjiang Province increased gradually from March to May 2018. In May 2018, the output of plastic products in Heilongjiang Province was 11.1 million tons, down 62.5% year-on-year. Heilongjiang Plastics in June 2018 The output of products decreased slightly. In June 2018, the output of plastic products in Heilongjiang Province was 10,800 tons, down 70.81% year-on-year. The cumulative output of plastic products in Heilongjiang Province from June to June 20,918 was 49,200 tons, down 74.7% year-on-year.