Visa-free Travel to China for 38 Countries! China decided to offer visa-free entry to travelers holding passports from 38 countries for business, tourism, family visits and transit purposes. Up until 15 days: Brunei, France, Germany, Italy, Netherlands, Spain, Switzerland, Ireland, Hungary, Austria, Belgium, Luxembourg, New Zealand Up until 30 days: Read more…
Ceramic insulators are widely used in power systems, including but not limited to high-voltage transmission and power supply lines, substations, surge protection equipment, cables and transmission lines, switchgear, busbars, and transformers. For example, in high-voltage transmission lines, ceramic insulators are used to support and fix conductors to prevent current leakage Read more…
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Phased array radar is an advanced radar technology, the core principle of which is to electronically control the direction of radar beams, rather than relying on traditional mechanical antenna rotation. This radar system consists of a large number of independent small antenna units, each of which can independently control the Read more…