Hebei Provincial Standard of the People's Republic of China
Scope
This standard specifies the plating types, grades, technical requirements and test methods for general bicycle parts and components. This standard applies to general bicycle parts and components with iron-based zinc plating, steel, copper and copper alloy-based nickel plating, copper-nickel plating, nickel-chromium plating and copper plating. ·Nickel·Chromium layer.