... . What kind of products and service we can provide:♣aluminum profile for construction, such as doors, windows, fence, ... greenhouses and sunroom, etc♣ industrial aluminum profile for solar energy, LED, machinery, advertisement, transport, auto part, exhibit shelf, telecom etc.♣ ... Stainless steel welded tubes♣ Engineering design and consultant1) Alloy: 6063, 6061, 6060, 6005, 6463, etc.2) Temper: T4, T5, ...