0.075mm Gold-Plated Tungsten Wire (75μm) | High-Strength Precision Wire with Custom Gold Coating – Sichuan Winner Precision in Every Micron. Strength in Every Connection. Product Overview Sichuan Winner Special Electronic Materials Co., Ltd. offers 0.075mm Gold-Plated Tungsten Wire (75μm), a specialty precision metal wire combining the mechanical properties of a tungsten core with the functional advantages of a gold-plated surface. Designed for demanding electronic,