Top-100 (Original factorys name: RUIAN THE MASSES AUTOMOBILE COMPOSE SWITCH FACTORY) is producing products having the nature of simplicity, safety, and reliability. All efforts are exhausted in pursuing human engineering andfunctional beauty to realize high performanceandhighquality.Our objective customers satisfaction startswitdevelopmentandinvestment.We become as a leader who gives a trust to the customer through lasting best-technology.