str="" str=str + "" str=str+ "
" str=str+"PE热收缩膜
" str=str+"热熔胶膜系列
" str=str+"可熔性沥青包装袋
" str=str+"无卤低烟阻燃聚乙烯电线电缆护套料
" str=str+"再生聚酯树脂(R-PET)
" str=str+"" str=str + "
" document.write (str)