The 2nd China New Material Industry Expo 2012, co-sponsored by the Ministry of Industry and Information Technology and the Heilongjiang Provincial People's Government, opened in Harbin on September 5. With the theme of “new materials, new functions, new opportunities and new developmentsâ€, this new fair will build a national new material industry platform and a platform for the release of the latest achievements of the company for the new material industry. The docking platform with the purchaser and the display platform of the scientific research project will be of great significance to promote the development of the new material industry. The expo will last for three days and will be rich in activities. It will launch the China New Materials Industry High-level Forum, China New Materials Industry Achievements Release and Project Matchmaking Meeting, China New Materials Purchasing and Supply Chain Summit Forum and Procurement Matchmaking Conference, and Heilongjiang Province to undertake the industry. Transfer of docking meetings and other activities. On the afternoon of the same day, the Ministry of Industry and Information Technology and the Heilongjiang Provincial People's Government jointly held the “2012 China New Materials Industry High-Level Forumâ€. From the aspects of “politics, production, learning and researchâ€, the forum focuses on the theme of “National New Material Industry Development Policy Interpretation, How State Enterprises Participate in and Promote the Development of China's New Materials Industry, and the Frontier of International Composite Materials Industryâ€.
Non-tapping screws are machine Screw, the pieceworker to be fastened must be tapped with taps in the screw hole in advance to match the screw threads.
The difference between tooth screws and other screws depends on whether they can be used together with nuts. Tooth screws can be used with nuts. And relative to the screws of other teeth, there are self-tapping screws. The nut of this kind of screw has no bow teeth. As for the standard teeth and fine teeth are only different pitch, it is the nut of the machine screw
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