Cov txheej txheem kev cai rau lub raj mis yas rau kev siv tshuaj.Pharmaceutical yas fwj feem ntau yog ua los ntawm PE, PP, PET thiab lwm yam ntaub ntawv, uas tsis yooj yim puas, sealing kev ua tau zoo, dej-pov thawj, huv si, thiab ua tau raws li cov kev cai tshwj xeeb ntawm kev ntim tshuaj.Lawv ca...
Nyeem ntxiv