ATTL is one of the leading companies in producing tungsten & molybdenum products for crystal growth in China. We can produce almost all kinds and sizes of these products with high quality and in big volume. Our industry chains are form the producing of tungsten & molybdenum powder to the machining of finish parts, which is the longest in China. All of these make sure our advantages in quality, price and delivery time.

Due to its high temperature resistance, low pollution and other good characteristics, tungsten and molybdenum are used to manufacture the hot zone components in sapphire grower including: tungsten crucibles, molybdenum crucibles, heaters, tungsten tubes, heat insulation screens, supports, covers etc. 。

ATTL offers 30Kg、60Kg、85Kg、120Kg full set hot zone in the sapphire grower and all the tungsten, molybdenum components used in hot zone.。