Ua ntej, yas txhaj tshuaj molded yas qhov chaw yog nyob rau hauv kev thov nyob rau hauv ntau yam lag luam.Qhov thib ob, Kev Txhaj Tshuaj molded yas qhov chaw yog siv los tsim cov khoom ua si thiab cov ntawv sau, tsheb qhov chaw thiab cov kav dej polymer, ntau lub thawv thiab cov ntaub ntawv rau cov qhov rais yas.Hom plastics thiab raw khoom Ntxiv, ...
Nyeem ntxiv