Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
The central trough used in mine is an important bearing part of the scraper conveyer to transport coal and materials. Coal and materials will act on the central trough to different degrees in the process of transport. Under the long running state, the…
The hydraulic support connector is a vulnerable part. After the casting was used, the forging process was changed because the strength could not meet the requirements. Today, I have a preliminary understanding of the processing technology of the hydraulic…
The hammer head, also known as the cutter tooth, is an accessory on the crushing shaft group, mainly in direct contact with coal, used for crushing coal.The hammer heads produced by henan shuangzhi are mostly forging hammer heads.The metal forming machinery…
Fully mechanized coal mine face "three machines one" scraper, shears, hydraulic support, and mine scraper accessories are in the daily procurement of coal mine purchase rate is relatively high, and for the small partners engaged in the supply of scraper…
