... most advanced water filters, water pressure regulator (box), automatic dosing devices, closed plastic water line to stop pollution and ... glue, bonding costs. 3, high durability, advanced materials used for the import of stainless steel, high wear-resistant delrin, ... captivity, fed on water use. 5, high practicality, value for money, precision CNC manufacturing 6, watertight, impervious to ensure the ...