The fundamental reason for development of PET industry are domestic need, product export and investment multiform indeed.

 
  • 摘要我国聚酯自工业高速发展得益于聚酯产品内需扩大,产品出口以及资本结构多样化,民营及国外投资的支持。
今日热词
目录 附录 查词历史