● Polymer insulator shed made of silicon rubber for grantee the outside insulation;high strength expoxy poles provide inside insulation for products and sustain machine load. These products use new technology, which press connect of mold,mandril and metal terminal which. improved the products, reliability, the charaters as follows: ● Superior electrical function and strength soiling, small volumn, lightweight, excellent impulse resistence, shock resistence, and explode resistance. Technical d...