中文字幕一区二区三区四区五区,中文字幕日本人妻久久久免费,亚洲va999成人A片在线观看,久久久无码精品午夜

It has wide adaptability, extremely high water reduction rate, good slump retention, and can significantly improve the strength of concrete. It is especially suitable for concrete precast components and is an ideal admixture for preparing high-strength and high-performance concrete.

Premixed and cast-in-place concrete, prestressed concrete, high-performance concrete, high-strength and high-durability concrete, superfluid self-compacting concrete, pumped concrete, various precast components and special concrete such as steel fiber. Industrial and civil construction, railways, water conservancy, marine engineering, ports, transportation, bridges, municipal, power and other projects.