O'OGA

Foshan Zhelu Trading Co., Ltd. na faavaeina i le 1999, sa taʻua muamua o Changyao Refractories Company, e masani ona auai i le R&D alumini alumini, gaosiga ma le faʻatau atu o mea faʻapitoa mo le faʻafefeteina ma le tuʻuina atu, tuʻuina atu mea uamea ma mea fesoasoani mo le liusuavai ma le lafoina i o le gaosiga o le alumini ma le gaosiga o oloa gaosi alumini, o oloa autu e aofia ai mea faʻamamaina, faʻaogaina ma mea faʻafefiloi e manaʻomia i le faʻafefeteina o le alumini ma le tuʻuina atu o le gaosiga, mea faʻamamaina ma isi mea faʻapitoa ma ipu faamama sima, mea faʻapipiʻi, ma isi.