Lianhua Technology is a pioneer in the industry thanks to the Short Reaction Time COD-Test Vials. Water quality testing innovator since 1982, Mr. Ji Guoliang, founder of Lianhua Technology, made all this possible. Reliable COD tests is crucial in the pharmaceutical, food processing, and wastewater treatment industries. Lianhua Technology vials allows you to obtain a COD test result in 30 minutes. Lianhua Technology vials proves that quality control is a necessity, not an option, to obtain cod vials that certified and manufactured to the ISO9001 and EU CE quality and compliance standards. Over 20 series of water quality testing instruments and reagents were designed by our R&D team which demonstrates commitment to novel R&D in this area. Lianhua Technology is focused on providing integrated customer solutions for the responsible management of water resources.