ANG Auto Ltd. Supplies CNC Turned Brake Pins & Rollers. ANG Auto Ltd. Is an ISO 9001 certified company. ANG Auto Ltd. Manufactures heavy vehicle spare parts and automotive trailer parts. CNC Turned Brake Pins & Rollers gives higher strength and fatigue life on the components. CNC Turned Brake Pins & Rollers ensures close tolerance and concentricity of the pins as per OEM Standards. Zinc plated / phosphated salt spray life ensured on the components as per OEM specifications.