The heavy-duty market in the first quarter of this year has caused industry experts to surprise themselves. Who could have expected that heavy trucks rebounded rapidly after a severe dive in the second half of 2003. Some heavy-duty car manufacturers increased their growth rate by more than 50% in
Concentration is the process of enriching a thinner slurry into a thicker slurry while separating a liquid that contains little or no solid material. The concentration process of mineral processing products is divided into the following types according to the nature of the main forces on the solid
Shallow hole shrinkage stoping method is the most widely used of underground metal mine mining method for a range of applications, the application is more common in small and medium steeply inclined thin and ultra thin veins of mine. Wei Mining five antimony deposits form vein mining is to use this
The variable frequency air compressor and the Ding frequency air compressor are linked to control, that is, a single air frequency air compressor and multiple Ding frequency air compressors are used in the same compressed air supply station to form a gas supply system, which provides stable gas s
According to statistics, in the first half of this year, domestic passenger car sales were 5.29 million, an increase of 46% year-on-year, of which luxury cars sold 310,000, an increase of 92% year-on-year, and the growth rate was twice that of the passenger car market. The luxury car mark
Recently, Zhejiang Ni Sen Valve Co., Ltd. butterfly valve products successfully passed the special equipment manufacturing license that TS certification (A2 <1>, B1, B2 level). The certification refers to the State Administration of Quality Supervision, Inspection and Quarantine supervision of
Audi announced on the 9th that boosted by strong demand for the new Q3 and A6 models, the company’s global sales in June increased 13% year-on-year to 133,050 units, which is expected to achieve sales target of 1.4 million units in 2012. Sales in Germany in June increased by 15% yea
Abstract: During the “Eleventh Five-Year Plan†period, the Chinese government has taken a series of major actions in energy conservation and emission reduction. In response to the global financial crisis, China introduced a package plan to promote stable and rapid economic deve
Bauxite beneficiation relatively simple, generally using hand-selected, like Guangxi Pingguo Aluminum Plant, designed with "three broken two wash - hand-selected process with the development of refractories and aluminum oxide industry, the production of bauxite, the raw material More and more