Guangdong Sihai offers you one stop full service including 7 days for finished printed tinplates - 14 days for whole can - 20 days fir aerosol can components -5 days for aerosol valves and acutator sets
Normal size of shaving foam or shaving cream aerosol cans is diameter 45mm and 52mm. It usually to make the inside lacquere for anti-rust, anti-corrosion and keep smelling.