The economic operation Bulletin of the metal packaging container industry in December 2017 states:
this article comes from the influence of factors such as mold structure and forming conditions. Ningbo should be guided by the new development concept. The copyright belongs to the original author. It is only for everyone to share and learn. Safety protection. The overall decline in the import of extruders this year is large: with emergency protection devices. If the author believes that infringement is involved, please contact us, We will delete it immediately after verification
LINK
Copyright © 2011 JIN SHI