Cov hnab looj tes pov tseg yog ua los ntawm cov ntaub ntawv HDPE tshiab, uas hloov tau yooj yim thiab ruaj khov, thiab qhov chaw yog concave thiab convex ua tiav los tiv thaiv kev sib tsoo.Roj resistant, non-toxic, tasteless, harmless yuav tiv thaiv adhesion, hnab looj tes sealing leakproof, tau so assured siv, ruaj, yuav siv tau nrog ob txhais tes
