From February 25 to 27, the 5th China International Plastics Exhibition was grandly opened at the Nanjing International ExpoCenter. The number of participants in this exhibition was 77,594.From February 25 to 27, the 5th China International Plastics Exhibition was grandly opened at the Nanjing International ExpoCenter. The number of participants in this exhibition was 77,594.From February 25 to 27, the 5th China International Plastics Exhibition was grandly opened at the Nanjing International ExpoCenter. The number of participants in this exhibition was 77,594.From February 25 to 27, the 5th China International Plastics Exhibition was grandly opened at the Nanjing International ExpoCenter. The number of participants in this exhibition was 77,594.