Either propylene Technologies (RBST), a specialized company engaged in high-purity alumina powder and related product development, marketing and technical services. The adoption of self-developed technology for preparing high purity ultrafine alumina powder production, the production process compared with the unique purification process impurity control with other traditional production process, production capacity, stable quality, environmentally friendly and non-polluting; effective control product purity, particle size, activity, conversion rate, particle size distribution and other physical and chemical indicators. The company has established a good talent introduction and incentives, the company is currently serving more than 200 employees, including 4 senior engineers, 8 doctoral 1, three graduate students, undergraduates and 18; Has laser particle size analyzer, specific surface area and void, atomic absorption spectrometer, and other advanced detection test equipment for process control and process quality and stability provide a strong guarantee products are widely used three-color phosphor, electronic thermal insulation materials, LED sapphire crystal and high-pressure sodium, metal halide, and many other fields.