Super-car growth peak has just begun

The central bank tightened its monetary policy, Beijing stopped blocking, and stopped the tax incentives for small cars. Under the changes in a series of macro and micro policies at the end of 2010, people began to become cautious about the 2011 auto market forecast. A recent Roland Berger

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Valve common problems and solutions

China's valve business network finishing: the valve as the key fluid control equipment is widely used in petroleum, chemical, metallurgy, electricity, urban construction, environmental protection and other industries. At present, the valve manufacturing industry is in a very favorable opportunit

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Rotary Crusher Development Overview

The first gyratory crusher patent was applied by American Charles Brown in 1878, and the first grit crusher was made at the Gates Iron Works in 1881. In 1953, Allis-Chalmers of the United States introduced a hydraulic gyratory crusher. In the late 1970s, Rexnord of the United States introduced an u

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