Building refractory and its preparation method.

Certificate No.: No. 4825077

Invention Patent Certificate

Invention Name:Construction refractory materials and preparation methods thereof

Inventors: Other inventors requested anonymity

Patent No.: ZL2018 1 0334649.5

Patent Application Date: April 14, 2018

Patent Owner: Jiaozuo Jinxin Hengtuo Avvanced Materials Co., Ltd.

Address: Industrial Cluster Zone, Boai County, Jiaozuo City, Henan Province (No. 688, Guangxing Road), 454450

Authorization Announcement Date: November 30, 2021

Authorization Announcement No.: CN 108455993 B

National Intellectual Property Administration

November 30, 2021