ST Equipment & Technology (STET) ṣe ohun pataki sugbon kekere-mọ iṣẹ, pẹlu jina-nínàgà awọn esi. Nipa lilo awọn ti ni ilọsiwaju lakọkọ ṣe ṣee ṣe pẹlu awọn ọja ti a manufacture, triboelectrostatic Iyapa ti wa ni ṣe

STET 2nd mẹẹdogun iroyin