The OKP series of ultrapure water equipment produced by the company integrates the reverse osmosis technology developed by NASA, nanofiltration (NF), ultrafiltration (UF), microfiltration (MF), ultraviolet oxidation (UV), and ion exchange, and other world's top water treatment technologies, and the water will be converted directly into ultrapure water, and the effluent water quality in line with the Chinese National Laboratory Water Grade 1 Standard (GB/T), the U.S. National Laboratory Water Grade 1 Standard (GB/T), and the U.S. National Laboratory Water Grade 1 Standard (GB/T). 6682-2008), the U.S. National Society of Clinical Pathology drug test water standards (CAP TYPE I) and many other international standards