A few days ago, the “2012 Auto Parts Industry Development Annual Meeting†held in Hannan District, Wuhan City reported that China’s automobile production and sales volume had ranked first in the world for three consecutive years, becoming the world’s largest automobile production and sales country.
The “Annual Report on the Development of China's Auto Parts Industry†published by the China Association of Automobile Manufacturers at this time shows that since 2000, the Chinese economy has been leading the world with an annual growth rate of 9.8%. As one of the pillar industries of the country, China’s automobile industry has also been developing rapidly. The production and sales of automobiles have increased rapidly, from 2.334 million in 2001 and 2.364 million in 2001 to 18.841 million and 18.505 million in 2011, respectively. More than 25%.
In 2009, the output and sales volume of China's auto industry broke the 10 million mark for the first time, reaching 13.791 million vehicles and 13.645 million vehicles, ranking first in the world with 48% and 46% growth rate. In 2010, China's automobile production and sales volume. It reached new heights, reaching 18.265 million vehicles and 18.062 million vehicles, ranking first in the world.
In 2011, China's auto market showed a steady growth, with production and sales exceeding 1.2 million units per month. The average monthly production and sales exceeded 1.5 million, and annual sales of automobiles exceeded 18.5 million, setting a new global record.
Dong Jianping of the China Association of Automobile Manufacturers said that since 2011, the development of China's auto industry has slowed down significantly. When the annual production and sales increased by 0.8% and 2.5% respectively, the growth rate decreased by 31.6 and 29.9 percentage points compared with 2010 respectively. From January to October this year, the national automobile production and sales volume reached 15.043 million and 15.161 million vehicles respectively, an increase of 2.7% and 3.2% year-on-year.
At urban construction project, surface mining, quarries ,construction work sites,foundation pit construction, road slope protection project etc.
1. This drill rig upgrades tramming components, hydraulic system, feed beam, rotary head and whole rig chassis to optimize the functional capacity of the drill rig.
2. The upgraded rig with improved features of strong climbing ability, large rotation torque & long life motor is widely applicable to various surface mining environment.
3. With larger displacement single motor, compact size & large rotation torque, the rotary head adjustable according to different work conditions & requirement, greatly increasing drilling efficiency.
4.All controls integrated on the control panel for convenient operation, higher work efficiency & lower drilling cost, safer and more comfortable operation.
5.Piston tramming motor, special process casted track shoe for stronger tramming traction force & more stable quality.
6.Construction Features:
→Three-wing bit drilling, mud discharge. It is suitable for high speed drilling in soil layer sand layer, etc..
→Air down-hole hammer drilling, air slag discharge.It is suitable for construc tion of rock layer and broken layer.
→Drilling with hydraulic hammer at bottom of hole, mud discharge The utility model is suitable for the construction of broken layer sand-egg layer and other strata with high water content.→Casing drilling.
→Combined drilling of drill pipe and casing.
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