Oxyzen mai aiki Jagoran Zaɓi: Kayan aiki masu ɗaukar nauyi Q-AO Active Oxygen Portable Colorimeter T-6800 Multi-parameters Portable Colorimeter Analyzer akan layi K600 Water Analyzer (K-Y03) Kayan aikin Lab Z-T700 Mai Nazartar Matsaloli Masu Mahimmanci Z-D700 Multi-parameter Analyzer
