... Service 3.plating nickel,zinc,silver,gold etc. Water Temperature Sensor ·Surface: polishing,nickel /zinc/chrome plated , phosphating etc. ·Minimum Order ... Ability:10,000,000pieces per month·Quality assurance in accordance with ISO9001:2008·Water Temperature Sensor are produced according to customers' drawing ... steel,cooper,iron,aluminium and stainless steel etc. water temperature sensor