● Participated in compiling 7 national standards such as Autoclaved Aerated Concrete Slab GB15762;

● The sole editor-in-chief of Zhejiang Province's "Technical Regulations for the Application of Autoclaved Aerated Concrete Slabs";

● Obtained more than 30 patents in product formula, application technology and professional equipment, and its technological achievements are among the best in the industry;

● Established an experimental and R & D center with the most advanced technology and the most complete experimental equipment and testing capabilities in the domestic gas filling industry.

Hanga, the "super expert" in the aerated concrete industry