Бөөний 99.99% цэвэр 1мм 2мм 3мм 4мм 5мм 6мм 7мм …
Widely used in the manufacture of chemical and metallurgical equipment. Lead alloys are used as bearings, movable gold,solder and so on. Lead blocks are weak metals that are soft and ductile, and are also heavy metals. With a knife can be cut it, lead is a silvery white heavy metal with blue, me...