In 2009, the identification of important products of China's oil independent innovation was concluded. The five research and development achievements of China Petroleum and Petrochemical Research Institute were selected. The five achievements are: SD paraffin wax, microcrystalline wax hydrotrea

1 Introduction The special dynamics of the ultrasonic vibration drilling process allows it to obtain good processing results. However, due to the complex design of the ultrasonic vibration drilling system, the operability and reliability of the process are not easy to meet the actual

Model NO.: SJSZ Customized: Customized Certification: CE, ISO9001:2008

A few days ago, the editor of the China Construction Machinery Business Network learned from the German engineering office that the German DG980 loader was under trial. It is understood that on December 21, 2011, the German DG968 loader accepted the identification and acceptance of relevant experts

The so-called “electricity shortage” four years ago, after the separation of factories and networks, the power system reform that had just started was forced to slow down due to the country’s large-scale electricity supply. While striving to cope with the tight electricity supply

Today, our Ellen valve analyzes the classification and price of electric ball valves. Electric ball valve is mainly analyzed by connection method. The general connection form of the electric ball valve has the connection type: welding, flange, thread. So, first - high tightness. In the later stage

China's elderly "comfort women" claim no compensation for Japan for 20 years and died. Diesel generator | Diesel generator price / 2012-10-12 In the autumn tragedy, a row of loess, a few lines of loved ones tears, the 90-year-old Chinese "comfort women" Yin Yulin quie

Recently, the Shaanxi Provincial Energy Conservation Office issued energy-saving warning notices to nine cities (districts) including Xi'an, Longnan, and Yulin. The city’s (district) energy-saving supervision has been strengthened through one-off evaluations at the end of the past to pro

On December 5th, the 2013 Business Conference of China National Heavy Duty Truck Sales was held in Jinan. At the same time, HOWO-T7H and HOWO-T5G equipped with MAN engines were also released. In 2012, the sales volume of medium-heavy trucks decreased by 31.8% from 2011, and the 7-platform heavy t

The automobile industry is an important pillar of the national economy. With the development of China's automobile industry, a large number of foreign automobile production enterprises have settled in joint ventures and wholly-owned enterprises. China's automobile industry system h

In 2012, the first day of opening of the Shanghai bauma exhibition will, Cummins and China's large mining electric wheel dump truck heavy equipment manufacturer Xiangtan Electric Co., Ltd. ( "Hunan Electric reload") in order to further strengthen cooperation, signed a strategic

Last week, Volvo Car Group announced that the core components of future generations of Volvo cars: SPA (Scalable Product Architecture) and VEA (Volvo Engine Architecture) have completed major R&D work and entered into product design and production. The operational phase of the facility