KOD Nduzi Nhọrọ: Ngwa Ngwa T-6800 Multi-parameters Portim Colorimeter Ngwa ụlọ nyocha Z-T700 Intelligent Multi-parameters Analyzer Z-D700 Onye nyocha ọtụtụ ihe Z-T500 Intelligent Multi-parameters Analyzer Z-D500 Onye nyocha ọtụtụ ihe TA-60 Intelligent Multi-function Water Analyzer TA-98 UV Spectrophotometer a na-ahụ anya