I set up the company in 1986, the state-owned specialized import and export companies. Main operating non-ferrous metals products, such as lead, zinc, cadmium, etc. , in addition to agents of various products import and export trade.
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Such As Lead Generation 例如铅一代
Metals: such as lead and mercury, cause neurological damage in infants and children.
金属：例如铅和汞，造成婴儿和儿童的神经损伤。
A porous cup often made of bone ash used in assaying to separate precious metals from base elements such as lead.
灰皿一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来。
Cupel: a porous cup often made of bone ash used in assaying to separate precious metals from base elements such as lead.
灰皿：一种多孔杯，通常用骨类制成，在检验中把贵重金属从低劣物质如铝中分离出来。
Heavy metals,such as lead,and products like insecticides have recently been linked to abormalities in newborns and attention deficits in toddlers.
VOA: standard.2010.08.09
Adding organic material such as compost to soil can also make lead less available to plants.
VOA: special.2009.06.09
Greenhouse gas emissions such as carbon dioxide are thought to be a major cause behind rising temperatures that have lead to extreme weather and food shortages.
VOA: standard.2009.09.28
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