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.
The inspection of the internal quality of the forgings is to check the internal quality of the forgings themselves, the quality of the appearance quality inspection can not be found, it includes the inspection of the internal defects of the forgings,…
Drivers for sprocket shaft in practical use, the failure frequency components are sprocket shaft group, is the common fault of the sprocket shaft within the group seal damage, oil leakage and bearing damage, to the normal operation of scraper conveyor…
For drive sprocket, only to ensure that the drive sprocket size parameters accurate, and then with high machining accuracy, with very high strength and high wear resistance, so as to better ensure that the chain nest in a good mesh, so as to avoid the…
Dumbbell pin is an important part connecting the middle slot and the middle slot of the fully mining scraper machine. Dumbbell pin is forged and made of alloy steel integral forging die. After heating and tempering, the strength and toughness of dumbbell…
The middle slot is the fuselage of the scraper conveyor, which is composed of the middle plate and the steel side of the trough. The upper trough carries coal and the lower trough is used for the return journey of the scraper chain. In the process of…
