Okwangoku ubukhulu becala ibonelela ngendawo yokutofa yeplastiki kwiintlobo ezininzi ezifana ne-XCMG, i-SANNY, i-Jingchuang Electronics, i-TriMark, i-Haier Electric, i-Oniwell, i-Trimble Electronics, i-Veeco Plastics, njl., kwaye ibonelele nge-OEM yokwenza ngokwezifiso.