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 order to ensure that the mechanical properties meet the technical requirements, Cr, Ni, Mo content of alloy elements are controlled at the upper medium limit, C content is controlled at the lower limit, in order to achieve the purpose of refining…
The existence of forgings defects, some will affect the subsequent processing quality or processing quality, and some will seriously affect the performance and use of forgings, and even reduce the service life of the finished products, endangering safety.…
The purpose of the quality analysis of ring forgings is to find out the product quality problems, find out the quality reasons, take corresponding measures to make the ring forgings that meet the technical standards, so as to meet the customer's product…
Some key problems in the integrated process of ring forgings are to determine the main factors affecting the performance of ring forgings and to analyze the compatibility between process variables. Superposition of ring forging process characteristics,…
Henan Shuangzhi produces a wide variety of mining mechanical forgings with various specifications and large batches, covering shaft forgings, ring forgings, barrel forgings, disc forgings, bending forgings, abnormal forgings, etc. The mining machinery…
