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.
271/5000 The blind shaft assembly of the scraper is an important part of the transmission department of the machine head. It is used together with the bobbin sprocket to form a transmission whole. Its function is to replace the sprocket shaft in the…
Scraper conveyor is one of the three fully mechanized coal mining, which is suitable for conveying coal in fully mechanized coal mining face. The sprocket assembly is an important transmission part of the scraper conveyor. Sprocket wheel component is…
The tail drum is located at the front and rear ends of the tail of the self-moving machine. It bears the weight of belt and materials, has the function of transferring power and guiding, and is an important component of the tail of the self-moving machine.…
The hydraulic support column is the main component to support and carry the hydraulic support, it directly affects the performance of the hydraulic support. Therefore, in addition to reasonable working resistance and reliable working characteristics,…
Scraper as coal mine coal transport equipment, the daily workload is still very large, especially the larger annual output of coal mines. As for the beam of the scraper, the heavy load will also make its wear faster. When the beam of the scraper wears…
