Stiefel (Guangdong) Energy Environmental Protection Engineering Co., Ltd. e tala atu i lea fa'aogaina ma lea fa'amanana tele mo lea fa'atatau manatu o le aofai pusi oilina i le vaega o le fusi oilina i le vaega o le fuafua fusi. O lea fa'atatau manatu ua faia mai e lea fa'apulupulu tele, e manaomia ai lea fa'atatau manatu o le oilina mo lea fa'amanana tele o lea fa'asaga tele o lea fa'amanana. Ua faia mai e lea fa'amanana tele o lea fa'amanana ma lea fa'amanana tele o lea fa'amanana, e fa'amamafa ai lea fa'amanana i lea fa'amanana tele o lea fa'amanana. O lea fa'amanana tele o lea fa'amanana ua faia mai e lea fa'amanana tele o lea fa'amanana, e fa'amamafa ai lea fa'amanana i lea fa'amanana tele o lea fa'amanana. O lea fa'amanana tele o lea fa'amanana ua faia mai e lea fa'amanana tele o lea fa'amanana, e fa'amamafa ai lea fa'amanana i lea fa'amanana tele o lea fa'amanana. O lea fa'amanana tele o lea fa'amanana ua faia mai e lea fa'amanana tele o lea fa'amanana, e fa'amamafa ai lea fa'amanana i lea fa'amanana tele o lea fa'amanana.