Cov hnab looj tes pov tseg PE feem ntau yog tsim los ntawm polyethylene PE, thiab muaj ob yam tshiab ntawm cov khoom siv tshiab thiab cov khoom siv rov ua dua tshiab ntawm lub khw.
May 02, 2021
PE hnab looj tes, tseem hu ua cov hnab looj tes PE pov tseg, yog ib hom hnab looj tes yas. Cov hnab looj tes polyethylene yog ua los ntawm polyethylene tsawg-ntom polyethylene, ...
May 01, 2021
