In November 2011, the import volume of China's injection molding machines (Customs Commodity Tariff Number) decreased, and the export volume increased sequentially. From September to November, China's injection molding machine continued to realize a trade surplus. In November, the export volume was approximately 1.7 times that of imports.

According to the latest statistics from China Customs, in November 2011, China exported 1811 sets of injection molding machines, which amounted to US$81.49 million. The same period imported 542 injection molding machines, the amount of 48110000 US dollars. In the same month, import and export realized a surplus of US$33.38 million. It is noteworthy that although the import unit price is still much higher than the export unit price, the import unit price is about 1.97 times the export unit price, but the gap gradually narrows.

From January to November, China accumulatively exported 22,904 sets of injection molding machines, amounting to 750 million U.S. dollars. In the same period, a total of 6,898 injection molding machines were imported, amounting to US$770 million, with a cumulative deficit of US$25.58 million.