Xinyang Yongkai thermal insulation material Co., Ltd.   

After several years of arduous efforts, our company is currently the largest manufacturer of hydrophobic vitrified microspheres and high strength vitrified microspheres in China. The production of high strength glazed microbeads is more than 2 times higher than that of traditional vitrified microspheres, and is close to the strength of floating beads. It is widely used in light refractories and oil well cement lightening agents in China, and is well received by customers. We will give you the best price and best quality.