Senken is Founded in 1990,Website:http://www.senkencorp.com, the largest Chinese manufacturer of special vehicle signal lights and alarm equipments, specializes in researching, developing, producing and selling police appliances, safety engineering appliances, special lighting equipments, urban air defense warning equipments, and various protective safety equipments.Senken has a total registered capital of RMB 111 million with more than 1000 employees.