Manganese steel crusher spare parts
Manganese steel crusher parts are very popular crusher wear parts, because it is more wear-resistant and longer life.Simis manganese steel crusher parts include manganese steel jaw plates, manganese...
Improvement of copper bushing soldering process
In some high-power engineering machinery, copper bearings welded by two half-piece copper bushes are often used. However, in the process of machining after welding, the joints of the copper bushings...