BRASS gas burner cap Be popular with europe market. Diameter:90mm,92mm,78mm,45mm finish: polish,turning, OEM service offere brass gas burnerDescriptions and Specifications1.with sand-casting for semi-product.then hot forging,precision maching,surface treatment.2.The cover of surface is treated by seal oil without any sign by touching .3.Material:brass4.all kinds of dia are popular diameter.and we ...