According to Nanjing Customs Department statistic，The company's import volume in 2011 reached 105,532,303 dollars. In 2012, the amount of imports reached 100,449,642 dollars. In 2013, the amount of imports reached 100,289,611 dollars. In 2014, the amount of imports reached 109,388,943 dollars. In 2017, the company's import volume reached 100,558,473 dollars. in 2018, the amount of imports reached 150,136,851 dollars . In 2019, the company's import volume reached 188,267,791 dollars and the amount of imports reached 188,409,164 dollars in 2020. So far, the company has imported more than 100 million U.S. dollars for the seventh time, which indicates that the company's business development has reached a new height. This will lay a good foundation for the new and greater development of the company.