Into silicon metal 553, a large number of used in smelting ferrosilicon alloy element in steel industry, for reducing agent in many kinds of metal smelting, silicon and aluminum alloy good group in yuan, the vast majority of casting aluminium alloy contai
Astragalus (Huang Qi) is a plant native to Asia. The Chinese name of the herb, huang qi, means "yellow leader", because the root is yellow and it is considered to be one of the most important herbs in traditional Chinese medicine. The part of the plant us
Window Frame Extrusions have good performance. The aluminum alloy doors and windows processed by this material have good wind pressure resistance, air soaking and rainwater soaking function. In the production process, it uses high-quality heat-insulating