Since 1982, Lianhua Technology has pioneered innovative technology for assessing water quality, particularly with our Laboratory Chemical Oxygen Demand (COD) Analyzer. Lianhua was one of the first companies to develop rapid digestion spectrophotometric methods for COD analysis. This method revolutionized the environmental protection industry. Lianhua has maintained a user-oriented design flexibility that adapts to municipal sewage, food processing waste, and academic research. Each analyzer is designed and built to meet international standards and specifications which is a testament to precision and quality. Lianhua’s dedication to targeted research and development has earned the trust of over 300,000 customers worldwide.