The difference between stainless steel bolts and iron b…

What is the difference between stainless steel bolts and iron bolts? Stainless steel screws and iron screws, can not say which is better, mainly depends on the use of occasions. In terms of corrosion resistance, stainless steel screws are obviously better than iron screws. Because -----

How does geotextile come from? What kind of history doe…

Geotextiles, also known as geotextiles, are water-permeable geosynthetics made from synthetic fibers that are needled or woven. Geotextiles are one of the new materials geosynthetic materials. The finished products are cloth-like, generally having a width of 4-6 meters and a length of 50-100 meter-----