Cartridge and manufacturing method of cartridge

A cartridge that is assembled in a part of a vapor product that includes a heating element for heating an aerosol source, the cartridge comprising:

• a first component and a second component, at least one of which being formed of resin;
• and
• a connection section extending in a longitudinal direction of the cartridge having a first end in the longitudinal direction connected to the first component and a second end opposite to the first end in the longitudinal direction welded to the second component;
• wherein the second component includes a facing surface that faces the first component in the longitudinal direction, and an outermost edge of the facing surface, and
• the second end of the connection section is welded to the facing surface of the second component, at a position away from the outermost edge in a first direction perpendicular to the longitudinal direction.