Drilled the holes first and then bend, or 100% with CNC Milling process. Made from Aluminum 5050 T6 with 120# beadblasting and black anodizing.
Please let me know if you have some metal parts need to custom
If you're looking for the u shape stamping aluminum mounting bracket, welcome to buy the quality products made in China in bulk with our professional manufacturers and suppliers in China. The customized service and the free sample are offered in our factory.