No other brand of Lianhua Technology would be improved based on what one have become familiar with. It is the product of our more than 40 years of invaluable R&D for water quality testing. It adopts the rapid digestion spectrophotometry method of technique of Mr. Ji Guoliang, our founder with a 10 minute sample digestion time and a 20 minute total result time, water quality test result turnaround times become invaluable to laboratories and industries with immediate water quality testing needs. It is the only rational quality COD testing Scientific instrument that is capable of testing multiple samples at the same time, which dawn the idea high capacity test laboratories. Since the Lianhua Technology instruments COD Scientific instrument is compact, one can put it virtually anywhere and is easily manipulatable for an intuitive test process. It can even be remotely controlled which Lianhua Technology COD Scientific instrument aids in qualitatively precise and dependable testing. It can be used for water quality assessments of various industries, Environmental monitoring, and municipal wastewater treatment.