Description: Luen Cheong has been delicated to development and production of dispenser pumps and aerosol valves for daily chemicals since its establishment in 1994.and has become one of the world's largest manufacturer in daily chemical packaging area.We have established a long term parnership with daily chemical tycoons including Procter&Gamble , L'oreal , Avon , Unilever , Blue Monn and Liby , serving as a brand behind these famous ones.