东之藤的防化产品涵盖PPS纱线、PPS织物、PPS膜以及PE&PET&PVC&PTFE复合膜，有助于防止生物和化学危害。

Our chemical protection products include POLYPHENYLENE SULFIDE（PPS) yarn, POLYPHENYLENE SULFIDE（PPS) fabric, POLYPHENYLENE SULFIDE（PPS) film and PE&PET&PVC&PTFE composite film, which help to prevent biological and chemical hazards.