Specification :

1.The Resistance is stable.
2. The base( support) uses the enhancement nylon ( including 30% bolivian filament) . Features: oil resistance.
3. The float uses the rubber to become spongy. Features: The surface dose not have the blowhole and blot, and may use in the mellow gasoline.
4. The contact shrapnel combination used the import beryllium bronze. Features: Elastic, wear-resisiting.
5. The ceramic circuit wafer uses aluminum paste 70% , the arrowhead above 10% . Features: a. the Resistance is stable; b. Wear-resisting; c. electric circuit is not easy to break.