Guilin Coninst -- With the longest history in the field of electrical contact materials in China         
Guilin Coninst -- The leader of the electrical contact technology of China  
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Guilin Electrical Equipment Scientific Research Institute (GLESI) ----
Guilin Coninst is a member of the Electrical Engineering Alloys Sub-Association of China Electrical Equipment Industrial Association
Electric Material Quality Supervision and Testing Center of Machinery Industry of China ---
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