As early as in 2000, CHANGHONG has achieved the goal of not using heavy metals, which may pollute the environment, as mercury, cadmium, and lead in all the zinc manganese batteries; 5 years earlier than the deadline stipulated by the national ministries and commissions, thus setting a good example to the followers as well as the Industry. Soon after, CHANGHONG alkaline battery series were certificated for the CHINA ENVIRONMENTAL LABELLING as the first one among domestic battery industry in 2002.