Nsalu ya PE UD, yomwe imadziwikanso kuti polyethylene unidirectional nsalu, ndi zinthu zosunthika zomwe zimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana chifukwa cha mawonekedwe ake apadera.Kaya ndi zida zodzitchinjiriza, zida zankhondo, kapena zida zogwira ntchito kwambiri, kumvetsetsa ...
Werengani zambiri