After the LED industry experienced the rectification of weakening and staying strong in 2013, the expansion of production will be restarted in 2014, and the low tide for many years. The relevant testing equipment industry is very optimistic about the orders after the lunar calendar year. Wang Silic
Read More1, the lift check valve disc is disc-shaped, around the seat channel for rotation shaft rotation, because the valve into the streamline linear flow resistance than the butterfly check valve is small, suitable for low flow rate and Small changes in the flow of occasions occasions, but not suitable fo
Read MoreThe past 20 years, micro- electronic technology, computer technology, precision machinery technology, thin film technology DC resistance tester, internet, nano-technology, laser technology and biotechnology high DC resistance tester new technology has been developing rapidly, so that the technical
Read MoreThe grass-roots agro-technical popularization in our country is promoted and implemented under the national policy. Many problems will arise in this process. How to do a good job in the reform and construction of grass-roots agricultural technology extension system is the key to promotin
Read MoreOperating principle: When the contactor coil is energized, a magnetic field is generated in the coil current, which causes the electromagnetic attraction of the iron core to attract the moving iron core, and the movement contact of the strand: the normally closed contact is opened, the normally ope
Read MoreRecently, Xugong hydraulic parts company K series of new lightweight cylinders to complete the old and new switch to achieve Xugong Shi Weiying 26 meters to 56 meters full support of pump products . At the pre-product identification meeting, the appraisal committee unanimously held that "the ma
Read MoreDryer is used for drying materials with humidity or granularity in the industries of mineral dressing, building material, metallurgy and chemical. Rotating dryer can be used for drying many kinds of materials and with convenient and reliable operation.  This machine is mainly used in ore selec
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