■  Be sealed up limitedly, and all the seal components are not exposed to air, with better sealingperformance and longer service life.

■  The primary conducting rod has been used the global shaping technology, with beautifulappearance.

■  Oil draining valve has been applied syringe to take oil sample, which can ensure the precisionof transformer oil test.

■  With progressive manufacturing technique, low dielectric loss and slight partial discharge.