The LXM45Z 66 Set units of Hangzhou Thermoelectric Ionpure EDI maintenance project of Huadian Group, Shenzhen ELKPURE won the bid. After the maintenance of Shenzhen ELKPURE company, the data of single unit: water quality 0.057 μ, water quantity 5m3h, current 3A, voltage 90V, silicon dioxide 6PPB, all data reached the new EDI standard, and successfully reached the standard acceptance.