We are an ASME certified dish head manufacturer from Wuhan China, with more than 20 years experiences. Elliptical tank head carbon steel and stainless steel elliptical tank heads. Size range: 50mm-10000mm with integral formed,larger sizes with subsection formed can be specified. Standard: ANSI, ASME ,MSS, API, DIN, JIS, BS,AWWA Thickness: 2mm-300mm Material: stainless steel,carbon steel, aluminum,special steel etc.