Naphthalene e hloekisitsoeng

Lik'hemik'hale Raw Material Plasticizer e hloekisitsoeng Naphthalene

Lik'hemik'hale tse tala plasticizer holim 'a mafolofolo mahlahana a maiketsetso a resin e hloekisitsoeng naphthalene

patlisiso dintlha