standard: en1856-1, ul103
place of origin:suzhou china
material: 304 or 316l stainless steel
welding line: laser welding
thickness of plate: 0.5mm (0.4 to 1.0mm at request)
inside diameter: 5,6,7,8,10,12 inch
length:1200,1000,500,300,120mm
surface: mirror board, black or polished
 
advantage:
male and female chimney cover shaped by mold.
cool on the outside, a hot draft in the inside
easy twist connection
perfect gas tightness
insulation material of 25mm thickness mineral insulation
surface can apply polish, wire drawing as per demands.
ce certified
ul standard.