News
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Countdown Big Sale for the End of 2020
HID Membrane Co., Ltd. has been focusing on manufacturing and R&D of RO water treatment products for over 11 years. Its products include Residential & Commercial RO Membrane, Industrial RO Mem...
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A Letter to Customer – HID Membrane Co.,
Considering the special before & after Chinese New Year, HID kindly reminds you to arrange your purchasing in advance, to make sure you have enough stock during the CNY holiday.
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Tank vs Tankless RO Water Purifier – Whi
There are two types of household RO water purifiers on the market, namely with a tank and without a tank. As the name suggests, the water purifier with tank stores the filtered water in a self-contain...
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The role of PP Sediment Filter element o
5μm PP Sediment Filter is usually the first-stage filter element of household water purifier or pure water machine. It mainly removes coarse particles of impurities, sludge, rust, suspended matter, et...
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HID™ Nanofiltration Membranes
Nanofiltration (NF) Membrane technology is a membrane separation technology between ultrafiltration and reverses osmosis. Its molecular weight cut-off is in the range of 80-1000, and the pore size is ...
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2020 Water Purifier Filter Knowledge -2
Naturally, the flow direction of water is from the low concentration direction to the high concentration direction, and the reverse osmosis membrane exerts sufficient pressure on the high concentratio...