Lianhua Technology produces COD vials and reagents for efficient and accurate Chemical Oxygen Demand analyzes reagents analysis in water samples. As the forerunner in the field and the company’s father, Mr. Ji Guoliang invented the packaging spectrophotometry and the enclosure-spectrophotometric methodology, which is the basis for the magnitude of techniques used in today's environmental preservation analytics. Manufacturing of quality water vials is done under the quality supervision of the International Organization for Standardization. The advanced automation of the Beijing and Yinchuan plants is matched with dedication and creativity of the 20% of the employees assigned to the R&D, which is doing remarkable work. The adaptability of the company is effective in serving the changing municipal wastewater industries, food processing, and petro chemical industries. We have the complete solution of 20 instruments and reagent sets for water quality which covers over 100 parameters. The methodology lies on the expertise of the company in environmental science, and the company has water quality testing instruments and reagents that emphasize the importance of quality testing for the preservation of our environment.