EVA (ethylene vinyl acetate copolymer) yog cov khoom siv yas feem ntau nrog kev ua haujlwm zoo thiab lub cev, yog li nws tau siv dav hauv ntau yam. Tom qab ntawd, cov txheej txheem tseem ceeb ntawm EVA ua haujlwm yuav raug qhia ntxiv tom ntej, suav nrog extrusion, txhaj tshuaj molding, calendering thiab h ...
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