The development of the mold industry has far more social benefits than its own. Accelerating the development of modern mold and die industries will help improve the international competitiveness of the manufacturing industry and help expand exports and attract investment. Government depart

At the 110th Canton Fair, the reporter learned that due to weak external demand, trade protection and other reasons, China's auto parts industry has experienced a decline in export transactions, and the export situation in the short term is not optimistic. According to the analysis, co

Abstract: High-voltage AC variable frequency speed control technology is a new type of electric drive speed control technology developed rapidly in the 1990s. It is mainly used for frequency conversion speed control of AC motors. Its technology and performance are far better than the previ

Abstract: High-voltage AC variable frequency speed control technology is a new type of electric drive speed control technology developed rapidly in the 1990s. It is mainly used for frequency conversion speed control of AC motors. Its technology and performance are far better than the previ

At the end of September 2011, there were 514 tire manufacturing enterprises above designated size in China. From January to September 2011, China's tire industry achieved a total revenue of 304.943 billion yuan from the main business, an increase of 30.97 percent year-on-year; total profi

Buried ball valve, drive method can choose manual, worm gear, pneumatic, electric, connection method can choose flange, welding, structural form can choose straight-through, seal structure can choose soft seal, hard seal, pressure range PN0.1-10Mpa The nominal diameter is DN15-1200mm. The

The QR code on the ticket is easily readable by the software. Li Xihua The real-name system for high-speed railway tickets has been implemented since June. All passengers who purchase high-speed rail tickets are required to present their ID cards. Personal information such as ID card numb