How do I choose a reliable supplier of aluminum sheets?

To choose a reliable supplier of aluminum sheets, consider the following: Check their reputation by reading reviews and testimonials. Ensure they have a valid certification and adhere to industry standards. Evaluate their product quality by requesting samples or visiting their production site. Assess their delivery times and reliability. Confirm they offer competitive pricing without compromising on quality. Look for suppliers with good customer service and after-sales support. Finally, consider their financial stability and ability to fulfill large orders.