High performance concrete is a new type of high-performance concrete with durability as the main technical indicator. High performance concrete must ensure the following properties: durabili...

The requirements for the design strength, wear resistance, durability, and workability of concrete must comply with the industry standards of the People's Republic of China...

Suitable for temporary support, initial support, permanent support or permanent lining in tunnel and underground engineering, high slope and deep foundation pit construction...

In order to meet the visual needs of different production operations and the needs of lamp installation conditions, the reflectors of industrial and mining lamps should be able to produce li...

High-strength steel fibers widely used for high-speed rail prefabricated parts, RPC cover plates, exterior wall painting, important engineering components, etc...