Haomei Aluminum has focused on producing specialized color coated aluminum coils for venetian blinds for 20 years. Using 3003/3004 aluminum-manganese alloy substrate as its core, combined with PVDF fluorocarbon/high weather-resistant polyester coating, and employing a seven-roll precision rolling + four-coat, three-bake coating process, it provides global venetian blind manufacturers with highly stable raw materials boasting a thickness tolerance of ±0.02mm and a coating …