Profile: Zhengzhou Dongshen Petro-Chemical Technology Co., Ltd. is a high-tech enterprise dedicated to the research, development, and production of new nano materials, oil field chemicals, energy-saving, and maintenance products. Antimony composite oxide is a multi-functional nano-material, and is widely used in display, solar cell, electromagnetic wave shielding, transparent insulation films, and anti-static coating. Nano SiO₂ is mainly applied in silicone rubber, ink, lubricating oil, painting, plastics, fiber, sealing agent, and glue.