El trueque es el presente y el futuro del comercio internacional, especialmente para las personas que se inician en el negocio de importación y exportación. El trueque y más, operaciones triangulares.
La segmentación perfecta para sus propuestas de negocio, Sus lugares de destino, además de su clase de clientes objetivo, además de sus artículos y categorías.
Input shaft is one of the key parts of reducer, which not only transmits torque, but also bears great bending stress and impact force. Traditional processing technology: blanking → normalizing → roughing → carbonitriding → drilling pinhole →…
The gear rail is located above the central trough of the scraper conveyor, and the planet wheel of the shearer drives the shearer to walk on the pin rail through meshing with the gear rail tooth surface. Therefore, the design requirements of the gear…
The tail end frame of ZY2700 type belt conveyor is mainly composed of the tail end frame, spiral drum, drum, fixing frame, movable frame, sliding seat, sliding frame, cover plate, etc. The roller is installed at the end of the end frame, and both ends…
The crushing shaft group, also known as the hammer shaft assembly, belongs to the component of the crusher.The role of the crushing shaft group is to load the coal from the working face scraper conveyor to the transfer conveyor. In the process of transport,…
In our coal face supporting the whole working face is the hydraulic support, on the hydraulic support we will see a lot of hydraulic support jacks, so there are many kinds of hydraulic support jacks and what are their functions? Hydraulic support pushjack…
