High-speed steel is a blue-brown steel, contains a large number of alloying elements, after smelting a large number of primary eutectic carbides and secondary carbides (about 18% to 22% of the total composition), which quench the quality of high-speed stee…
Twist drills are one of the tools that consume the most. The semi-closed cutting environment and special geometrical structure make the drilling temperature higher than the turning and milling temperature under the same conditions, plus the cutting speed a…
Maanshan Iron and Steel's "Eleventh Five-Year" key technical transformation project, one of the sintering plant No. 3 shaft furnace expansion and reconstruction project, officially put into production. This is not only the largest metallurgical pellet shaft furna…
On November 22nd, the China Automotive Industry Science and Technology Progress Award Fund Committee convened the Fifth Session of the Second Council, and finally reviewed and passed the 2007 "China Automotive Industry Science and Technology Award."
A total of 50 projec…
In recent years, the "national-level automobile and parts export base" Liuzhou City automobile and parts exports have shown rapid development momentum. In 2006, the export volume was 105 million U.S. dollars, and it is estimated that the export volume in 2007 will reach 180 mill…
- Model NO.: DHP …
From April 30, 2004, the Ministry of Communications and Other seven ministries jointly issued the “…
Mobile lifts, its working principle is to use the hydraulic lift plus electronic integrated controller. In the convenience of lifting and at the same ti…
Ford double row 6-seater 3 cubic_vaccine transporter_CDC 6-seater vaccine delivery vehicle_manufacturer_price_transit vaccine cold chain vehicle manufacturer is of good quality In recent times, injection of new crown vaccine has always…
Corrosion and wear are serious problems that jeopardize the production of the petroleum and petrochemical industry. According to the survey, the direct economic losses caused by wear and corrosion in China's petroleum and petrochemical industry amount to several hundred mi…