The present invention relates to an automobile urea tank and a forming method thereof. The method includes the following steps: 1) producing an upper half casing and a lower half casing through an injection molding method; 2) after the upper half casing an...

a molding method of blow-molding a hollow tank body with a built-in component is provided the method molds the hollow tank body by molding the sheet parisons (18,19) in the half molds (3, 4) after the moving cooperation of the half molds (3, 4), an expandi...