The polycrystalline silicon containers work continuously at a high temperature of 1550 degrees to melt them. The application conditions are extremely harsh, and there are extremely strict requirements on crucible purity, strength, microstructure, high temperature performance, thermal shock stability and dimensional accuracy. Our company adopts gel molding process, with high yield and stable quality. Advantages: high purity, high strength and high disfigurement, high temperature performance and high thermal shock stability . advanced production technology