Senken Group Co,.Ltd is a world-renowned leader in the supply of security, warning & signaling products. It enjoys more than 50% market share in warning lights, sirens and speakers in China and has maintained the first position for the past 16 years. And it is the NO.1 brand of warning & signaling products supplier in China. Senken extends its products to high-class markets worldwide such as in UK, Germany ,USA, Japan, France and Netherland, with its great capability to compete against other brands internationally and keep improving its competitiveness in the world market.