Kanema woteteza PE ndi mtundu watsopano wazinthu zopangira pulasitiki muzolowera, zomwe zimagwiritsidwanso ntchito kwambiri pakuyika pakati pazinthu zamitundu yonse, zomwe zimagwiritsidwa ntchito kwambiri pamalonda otumiza kunja, makampani amapepala, zida, mankhwala apulasitiki, zida zomangira zokongoletsera, mafakitale azakudya, medica. ..
Werengani zambiri