Metals–Iron–Steel / Aluminium Profiles - Sheets Requests

Hello, we need 95% alumina hollow pipe. The dimensions are: - The inner diameter of the product will be 3.1 mm. - The outer diameter will be 8 mm, 9 mm, 10 mm, or 11 mm. - The lengths of the product will be 120 mm, 150 mm, 180 mm, or 200 mm. We need hollow alumina pipes. Purchases will be made in large quantities. We kindly ask you to provide us with a price offer for products in these dimensions.