Dedicated Accessories of Box-type Transformer Substation (USA type) Product Introduction Dedicated Accessories of Box-type Transformer Substation (USA type) include L.V outlet duct,Insulation operational pole,H.V. Brushing,Plug-in fuse core,Fully insulation brushing accessories,H.V. load switch,Pressure release valve,Charged displayer and so on. Our technology is strong , manufacture process is advanced, equipments are excellent and testing modes are complete. Meanwhile, we have a professional team that everyone has sense of responsibility, exploiting and innovating. We have advanced design concepts , we can grasp the pulse in the design filed of the transformer exactly and form unique thinking of special design, manufacturing and market development. We also have passed ISO9001 quality management system ,ISO14001 environment management system and PCCC certification. Our products performances are superior to national standards and IEC standards. We have got the approval of National Transformer Quality Supervision and Inspection Center.