... kind of style. 2. Authentication of ISO 9001:2008. Solar Tank Cover Product DescriptionMaterial is in line with national standards.Solar ... ,Φ340, Φ350, Φ360, Φ370,Φ380, Φ390,Φ400,Φ420(mm) materials stainless steel thickness 0.35-0.50 mm (based on consumer) Because ...