The company has an independent test center laboratory for research and development, which is mainly responsible for type testing of insulation materials and evaluation tests of insulation structures. With advanced aging oven, high and low temperature test box, wet heat test box, salt spray test box, pressure tester, dielectric loss tester, partial discharge tester, needle flame tester, gas chromatography, particle size analyzer, photochromic and electrical test system, etc. Test equipment. It can perform physical and chemical properties, electrical properties, mechanical properties, environmental resistance and flame retardant performance testing and heat resistance evaluation of insulation materials, and has the ability to evaluate the insulation structure of high and low voltage model coils.