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.
As one of the key parts of mine scraper conveyor, its performance and product quality directly affect the safety and benefit of coal production. Forging scrapers are widely used for their advantages such as good assembling performance, wear resistance…
The quality index of hydraulic cylinder in use 1. The low starting pressure standard of the hydraulic cylinder is the working pressure under the condition of no load of the hydraulic cylinder, which can reflect the comprehensive index of the manufacturing…
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…
