Yawei Limited established in 2014, is a research and development, production, and sale-integrated enterprise. Which specializes in the production of Safety Protection Products,such like traffic warning light,signal lights,alarms , road studs, and so on.The company has passed ISO9001:2000,CE certification, and multiple products have obtained national patents,sell all over the world.Effective OEM&ODM service ,good quality,Highly competitive prices, Continuously updating products..That's why our customer choose us