Guilin Coninst has been conducting research and manufacture of contacts for high-voltage switches for over 30 years. In previous key projects of China on high-voltage circuit breaker manufacturing technology, Guilin Coninst has undertaken for many times the research and development of the high-voltage contact assemblies which have passed all the type tests. The high-voltage contact manufacturing technology of Guilin Coninst is in the leading position in China. For example, the arc-resistant CuW contact materials manufactured by the technology of pre-sintering tungsten skeleton and infiltration have good overall electrical property, and the contact assemblies welded by electron beam welder have good overall mechanical property. The high-voltage contact products of Guilin Coninst are widely used to the SF6 circuit breakers of 40.5kV~ 252kV.
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