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.
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…
The reducer for the gear hardness requirements are very high, so the hardness of the gear is very important. There are many heat treatment methods for gear with hard tooth surface, which should be selected according to the characteristics of planetary…
The central trough of the scraper is one of the key parts of the scraper conveyor, and it is the fuselage of the scraper conveyor. Only the volume and quality of the scraper conveyor occupies about 70% of the scraper conveyor machine. Scraper parts manufacturer…
The chain fastener of the scraper or the chain fastener of the transfer machine is divided into manual chain fastener and hydraulic chain fastener. By applying certain pre-tightening force to the chain of the scraper, the scraper conveyor can operate…
Sprocket assembly is mainly composed of bearing cover, bearing housing, roller, sprocket body, shaft, floating seal, rolling bearing and so on. It is processed and formed by the processing center, the tooth surface is hardened, the inner hole is the…
