"In less than 10 years, the calcium carbide industry in Shanxi has been thrown out of the top 10 by the country's oldest leader. The companies that are still adhering to it are also half dead." On August 20, the 24 members of the Shanxi Calcium Carbide Industry Association we…
Overview In general, the common methods for tooth profile machining of 6 to 7 hardened gears are: (1) rolling, shaving, heat, and enthalpy. (2) Rolling, heat, and grinding. (3) Rolling, heat, and scraping.
Although the "rolling and grinding" process can better ensure the pro…
On October 20th, Mr. Li told the reporter that the 4 Nanfu batteries that he purchased were placed for two years. When they were taken out…
It was learned from the China Petroleum and Chemical Industry Federation that the “National Conference on the Promotion of Controlled-release Fertilizer Extension in 2011†was recently held in Linyi City, Shandong Province. According to the information disclosed at the meeting,…
The new wireless technology combined with low-power, low-cost hardware enables home area networks to be affordable and easy to install for the average homeowner. At present, "home-awareness" services provided by various broadband and wireless telecommunication service p…