Steel mine support is very common in our life, and it is very helpful to our production. U-shaped steel support is widely used in coal mine support. In addition, the steel support also has very good t

The mine roof support adopts the new coal mining machinery and the bendable conveyer, which provides the conditions for the general mechanization of coal mining, and is the necessary supporting equipm

Before we have also introduced the u-shaped steel support , it is a cross section like the English letter "U "steel, the latest specification is released in 2008, in April 1, 2009 began to implement t

Because channel steel and U - shaped steel look similar, so many people think they are the same product, in fact, it is not. Today I'm going to show you how to distinguish between channel steel and u-

U-shaped steel support has the advantages of high initial support force, large support strength, easy installation, and not easy deformation, etc., so it is often used in the manufacture of tunnel fle

Procurement of steel needs to have a pair of "fire eyes", in order to quickly have a good distinction between the quality of steel. In fact, as long as master "six see a listen", you can also distingu