Sanmen Ou Sheng Import and Export Co., Ltd. Is a professional manufacturer of traffic safety facilities, Our company is only 100 km away from Ningbo port, lower freight costs makes us big export business advantage, the company mainly produces sales of rubber products, plastic products, such as rubber speed bumpers, large rubber wheel chocks, rubber wheel stoppers, plastic road cones, plastic warning bollard, plastic fences, etc., the company has excellent R & D team, we can accept custom all