Micro silica fume is also well used in the concrete industry. Its physical characteristics include small particles, high purity, and pozzolanic solid activity. Adding micro silica fume to concrete can not only improve the properties of concrete in ma…
Micro-silica is finely processed from silicon dioxide (SiO2), also known as quartz, through crushing, purification, grinding, grading and other processes. It has high purity, white color, and reasonable particle size distribution. It has unique prope…
At 4:30 on November 24th, the Chang'e-5 probe was successfully launched. As the final battle in the three-step process of my country's lunar exploration project, the Chang'e-5 lunar exploration mis…
At 4:30 on November 24th, the Chang'e-5 probe was successfully launched. As the final battle in the three-step process of my country's lunar exploration project, the Chang'e-5 lunar exploration mis…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…
CEO of Pfizer partner BioNTech says coming winter will be hard but by April, 300 million immunization units should be ready, which will have an impact on the global pandemic.If coronavirus vaccination…